256621160152 has 32 divisors (see below), whose sum is σ = 551946765600. Its totient is φ = 109571641344.

The previous prime is 256621160129. The next prime is 256621160153. The reversal of 256621160152 is 251061126652.

256621160152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256621160153) 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, 8502633 + ... + 8532760.

It is an arithmetic number, because the mean of its divisors is an integer number (17248336425).

Almost surely, 2^256621160152 is an apocalyptic number.

It is an amenable number.

256621160152 is an abundant number, since it is smaller than the sum of its proper divisors (295325605448).

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

256621160152 is a wasteful number, since it uses less digits than its factorization.

256621160152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035675 (or 17035671 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 256621160152 in words is "two hundred fifty-six billion, six hundred twenty-one million, one hundred sixty thousand, one hundred fifty-two".