974875820164 has 27 divisors (see below), whose sum is σ = 1723116426213. Its totient is φ = 482604792672.

The previous prime is 974875820137. The next prime is 974875820213. The reversal of 974875820164 is 461028578479.

The square root of 974875820164 is 987358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 842228352900 + 132647467264 = 917730^2 + 364208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 203393352 + ... + 203398144.

Almost surely, 2^974875820164 is an apocalyptic number.

974875820164 is the 987358-th square number.

It is an amenable number.

974875820164 is a deficient number, since it is larger than the sum of its proper divisors (748240606049).

974875820164 is an frugal number, since it uses more digits than its factorization.

974875820164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 974875820164 in words is "nine hundred seventy-four billion, eight hundred seventy-five million, eight hundred twenty thousand, one hundred sixty-four".