1081883616 has 48 divisors (see below), whose sum is σ = 3098124288. Its totient is φ = 327843200.

The previous prime is 1081883603. The next prime is 1081883623. The reversal of 1081883616 is 6163881801.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511200 + ... + 513311.

It is an arithmetic number, because the mean of its divisors is an integer number (64544256).

Almost surely, 2^1081883616 is an apocalyptic number.

1081883616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1081883616 is an abundant number, since it is smaller than the sum of its proper divisors (2016240672).

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

1081883616 is a wasteful number, since it uses less digits than its factorization.

1081883616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024535 (or 1024527 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1081883616 is about 32891.9992703393. Note that the first 3 decimals coincide. The cubic root of 1081883616 is about 1026.5816915858.

The spelling of 1081883616 in words is "one billion, eighty-one million, eight hundred eighty-three thousand, six hundred sixteen".