972084666 has 16 divisors (see below), whose sum is σ = 2221907904. Its totient is φ = 277738464.

The previous prime is 972084623. The next prime is 972084671. The reversal of 972084666 is 666480279.

It is a Curzon number.

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, 11572395 + ... + 11572478.

It is an arithmetic number, because the mean of its divisors is an integer number (138869244).

Almost surely, 2^972084666 is an apocalyptic number.

972084666 is an abundant number, since it is smaller than the sum of its proper divisors (1249823238).

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

972084666 is a wasteful number, since it uses less digits than its factorization.

972084666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23144885.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 972084666 is about 31178.2723382807. The cubic root of 972084666 is about 990.6069352503.

The spelling of 972084666 in words is "nine hundred seventy-two million, eighty-four thousand, six hundred sixty-six".