3655254816 has 96 divisors (see below), whose sum is σ = 10862449920. Its totient is φ = 1195414272.

The previous prime is 3655254793. The next prime is 3655254817. The reversal of 3655254816 is 6184525563.

3655254816 is a `hidden beast` number, since 36 + 552 + 54 + 8 + 16 = 666.

3655254816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (3655254817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5881 + ... + 85703.

It is an arithmetic number, because the mean of its divisors is an integer number (113150520).

Almost surely, 2^3655254816 is an apocalyptic number.

3655254816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3655254816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5431224960).

3655254816 is an abundant number, since it is smaller than the sum of its proper divisors (7207195104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3655254816 is a wasteful number, since it uses less digits than its factorization.

3655254816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79895 (or 79881 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 3655254816 is about 60458.7033933081. The cubic root of 3655254816 is about 1540.4202507427.

The spelling of 3655254816 in words is "three billion, six hundred fifty-five million, two hundred fifty-four thousand, eight hundred sixteen".