996172289568 has 120 divisors (see below), whose sum is σ = 2930156792640. Its totient is φ = 332007361920.

The previous prime is 996172289521. The next prime is 996172289599. The reversal of 996172289568 is 865982271699.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 996172289496 and 996172289505.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19775133 + ... + 19825443.

It is an arithmetic number, because the mean of its divisors is an integer number (24417973272).

Almost surely, 2^996172289568 is an apocalyptic number.

It is an amenable number.

996172289568 is an abundant number, since it is smaller than the sum of its proper divisors (1933984503072).

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

996172289568 is a wasteful number, since it uses less digits than its factorization.

996172289568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57972 (or 57955 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 72.

The spelling of 996172289568 in words is "nine hundred ninety-six billion, one hundred seventy-two million, two hundred eighty-nine thousand, five hundred sixty-eight".