6156855600 has 120 divisors (see below), whose sum is σ = 22539985920. Its totient is φ = 1407279360.

The previous prime is 6156855583. The next prime is 6156855613. The reversal of 6156855600 is 65586516.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358080 + ... + 374879.

It is an arithmetic number, because the mean of its divisors is an integer number (187833216).

Almost surely, 2^6156855600 is an apocalyptic number.

6156855600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6156855600 is an abundant number, since it is smaller than the sum of its proper divisors (16383130320).

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

6156855600 is a wasteful number, since it uses less digits than its factorization.

6156855600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732987 (or 732976 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 6156855600 is about 78465.6332415663. The cubic root of 6156855600 is about 1832.8193277124.

The spelling of 6156855600 in words is "six billion, one hundred fifty-six million, eight hundred fifty-five thousand, six hundred".