156226091256 has 80 divisors (see below), whose sum is σ = 439995596040. Its totient is φ = 51787615680.

The previous prime is 156226091251. The next prime is 156226091257. The reversal of 156226091256 is 652190622651.

156226091256 is a `hidden beast` number, since 1 + 5 + 6 + 22 + 609 + 12 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156226091251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 548706 + ... + 783281.

Almost surely, 2^156226091256 is an apocalyptic number.

It is an amenable number.

156226091256 is an abundant number, since it is smaller than the sum of its proper divisors (283769504784).

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

156226091256 is a wasteful number, since it uses less digits than its factorization.

156226091256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332186 (or 1332173 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 156226091256 in words is "one hundred fifty-six billion, two hundred twenty-six million, ninety-one thousand, two hundred fifty-six".