156227617064 has 16 divisors (see below), whose sum is σ = 298453703220. Its totient is φ = 76639962880.

The previous prime is 156227617057. The next prime is 156227617099. The reversal of 156227617064 is 460716722651.

It can be written as a sum of positive squares in 2 ways, for example, as 150877864900 + 5349752164 = 388430^2 + 73142^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184230257 + ... + 184231104.

Almost surely, 2^156227617064 is an apocalyptic number.

It is an amenable number.

156227617064 is a deficient number, since it is larger than the sum of its proper divisors (142226086156).

156227617064 is a wasteful number, since it uses less digits than its factorization.

156227617064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368461420 (or 368461416 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 156227617064 in words is "one hundred fifty-six billion, two hundred twenty-seven million, six hundred seventeen thousand, sixty-four".