972081641920 has 112 divisors (see below), whose sum is σ = 2515199846400. Its totient is φ = 356484879360.

The previous prime is 972081641903. The next prime is 972081641987. The reversal of 972081641920 is 29146180279.

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 15 ways as a sum of consecutive naturals, for example, 2390260 + ... + 2767219.

Almost surely, 2^972081641920 is an apocalyptic number.

It is an amenable number.

972081641920 is an abundant number, since it is smaller than the sum of its proper divisors (1543118204480).

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

972081641920 is a wasteful number, since it uses less digits than its factorization.

972081641920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157546 (or 5157536 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 972081641920 in words is "nine hundred seventy-two billion, eighty-one million, six hundred forty-one thousand, nine hundred twenty".