993579919164 has 144 divisors (see below), whose sum is σ = 3091678670080. Its totient is φ = 262684477440.

The previous prime is 993579919151. The next prime is 993579919177. The reversal of 993579919164 is 461919975399.

It is an interprime number because it is at equal distance from previous prime (993579919151) and next prime (993579919177).

It is a junction number, because it is equal to n+sod(n) for n = 993579919092 and 993579919101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2207077 + ... + 2618844.

Almost surely, 2^993579919164 is an apocalyptic number.

It is an amenable number.

993579919164 is an abundant number, since it is smaller than the sum of its proper divisors (2098098750916).

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

993579919164 is a wasteful number, since it uses less digits than its factorization.

993579919164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826000 (or 4825995 counting only the distinct ones).

The product of its digits is 148803480, while the sum is 72.

The spelling of 993579919164 in words is "nine hundred ninety-three billion, five hundred seventy-nine million, nine hundred nineteen thousand, one hundred sixty-four".