156796972 has 12 divisors (see below), whose sum is σ = 281811040. Its totient is φ = 76279536.

The previous prime is 156796961. The next prime is 156796973. The reversal of 156796972 is 279697651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (156796973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529572 + ... + 529867.

Almost surely, 2^156796972 is an apocalyptic number.

It is an amenable number.

156796972 is a deficient number, since it is larger than the sum of its proper divisors (125014068).

156796972 is a wasteful number, since it uses less digits than its factorization.

156796972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059480 (or 1059478 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The square root of 156796972 is about 12521.8597660252. The cubic root of 156796972 is about 539.2364288052.

The spelling of 156796972 in words is "one hundred fifty-six million, seven hundred ninety-six thousand, nine hundred seventy-two".