972156056 has 16 divisors (see below), whose sum is σ = 1872057840. Its totient is φ = 472940640.

The previous prime is 972156049. The next prime is 972156079. The reversal of 972156056 is 650651279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641860 + ... + 1642451.

It is an arithmetic number, because the mean of its divisors is an integer number (117003615).

Almost surely, 2^972156056 is an apocalyptic number.

It is an amenable number.

972156056 is a deficient number, since it is larger than the sum of its proper divisors (899901784).

972156056 is a wasteful number, since it uses less digits than its factorization.

972156056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284354 (or 3284350 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 972156056 is about 31179.4171850598. The cubic root of 972156056 is about 990.6311847491.

The spelling of 972156056 in words is "nine hundred seventy-two million, one hundred fifty-six thousand, fifty-six".