6156395812 has 24 divisors (see below), whose sum is σ = 12645571904. Its totient is φ = 2567145312.

The previous prime is 6156395807. The next prime is 6156395821. The reversal of 6156395812 is 2185936516.

It is a super-2 number, since 2×6156395812² = 75802418788022278688, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2970198 + ... + 2972269.

Almost surely, 2^6156395812 is an apocalyptic number.

It is an amenable number.

6156395812 is an abundant number, since it is smaller than the sum of its proper divisors (6489176092).

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

6156395812 is a wasteful number, since it uses less digits than its factorization.

6156395812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942515 (or 5942513 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 6156395812 is about 78462.7033182008. The cubic root of 6156395812 is about 1832.7737021872.

The spelling of 6156395812 in words is "six billion, one hundred fifty-six million, three hundred ninety-five thousand, eight hundred twelve".