156422304556 has 24 divisors (see below), whose sum is σ = 313033503776. Its totient is φ = 66997653120.

The previous prime is 156422304541. The next prime is 156422304581. The reversal of 156422304556 is 655403224651.

It is a super-2 number, since 2×156422304556² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1639335 + ... + 1732126.

Almost surely, 2^156422304556 is an apocalyptic number.

It is an amenable number.

156422304556 is an abundant number, since it is smaller than the sum of its proper divisors (156611199220).

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

156422304556 is a wasteful number, since it uses less digits than its factorization.

156422304556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373129 (or 3373127 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 156422304556 in words is "one hundred fifty-six billion, four hundred twenty-two million, three hundred four thousand, five hundred fifty-six".