975690591564 has 96 divisors (see below), whose sum is σ = 2560064693760. Its totient is φ = 286965347328.

The previous prime is 975690591527. The next prime is 975690591641. The reversal of 975690591564 is 465195096579.

It is a junction number, because it is equal to n+sod(n) for n = 975690591495 and 975690591504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5251219 + ... + 5433845.

It is an arithmetic number, because the mean of its divisors is an integer number (26667340560).

Almost surely, 2^975690591564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 975690591564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280032346880).

975690591564 is an abundant number, since it is smaller than the sum of its proper divisors (1584374102196).

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

975690591564 is a wasteful number, since it uses less digits than its factorization.

975690591564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184159 (or 184157 counting only the distinct ones).

The product of its (nonzero) digits is 91854000, while the sum is 66.

The spelling of 975690591564 in words is "nine hundred seventy-five billion, six hundred ninety million, five hundred ninety-one thousand, five hundred sixty-four".