1600180920 has 160 divisors (see below), whose sum is σ = 5792260320. Its totient is φ = 393880320.

The previous prime is 1600180919. The next prime is 1600180957. The reversal of 1600180920 is 290810061.

1600180920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23125 + ... + 61115.

It is an arithmetic number, because the mean of its divisors is an integer number (36201627).

Almost surely, 2^1600180920 is an apocalyptic number.

1600180920 is a gapful number since it is divisible by the number (10) 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 1600180920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896130160).

1600180920 is an abundant number, since it is smaller than the sum of its proper divisors (4192079400).

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

1600180920 is a wasteful number, since it uses less digits than its factorization.

1600180920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38027 (or 38014 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1600180920 is about 40002.2614360738. The cubic root of 1600180920 is about 1169.6511780644.

Adding to 1600180920 its reverse (290810061), we get a palindrome (1890990981).

The spelling of 1600180920 in words is "one billion, six hundred million, one hundred eighty thousand, nine hundred twenty".