6001100156656 has 40 divisors (see below), whose sum is σ = 13430269608624. Its totient is φ = 2567315573760.

The previous prime is 6001100156647. The next prime is 6001100156657. The reversal of 6001100156656 is 6566510011006.

It is a super-2 number, since 2×6001100156656² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6001100156657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002854655 + ... + 1002860638.

Almost surely, 2^{6001100156656} is an apocalyptic number.

It is an amenable number.

6001100156656 is an abundant number, since it is smaller than the sum of its proper divisors (7429169451968).

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

6001100156656 is a wasteful number, since it uses less digits than its factorization.

6001100156656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005715329 (or 2005715323 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 6001100156656 in words is "six trillion, one billion, one hundred million, one hundred fifty-six thousand, six hundred fifty-six".