156826850881656 has 32 divisors (see below), whose sum is σ = 392076518515200. Its totient is φ = 52274364785760.

The previous prime is 156826850881651. The next prime is 156826850881699. The reversal of 156826850881656 is 656188058628651.

It is a super-2 number, since 2×156826850881656² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156826850881651) 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, 77237830 + ... + 79242261.

It is an arithmetic number, because the mean of its divisors is an integer number (12252391203600).

Almost surely, 2^{156826850881656} is an apocalyptic number.

It is an amenable number.

156826850881656 is an abundant number, since it is smaller than the sum of its proper divisors (235249667633544).

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

156826850881656 is a wasteful number, since it uses less digits than its factorization.

156826850881656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156521859 (or 156521855 counting only the distinct ones).

The product of its (nonzero) digits is 1327104000, while the sum is 75.

The spelling of 156826850881656 in words is "one hundred fifty-six trillion, eight hundred twenty-six billion, eight hundred fifty million, eight hundred eighty-one thousand, six hundred fifty-six".