16579596642 has 32 divisors (see below), whose sum is σ = 37901395584. Its totient is φ = 4736380800.

The previous prime is 16579596629. The next prime is 16579596643. The reversal of 16579596642 is 24669597561.

It is a super-2 number, since 2×16579596642² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16579596643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344542 + ... + 389702.

It is an arithmetic number, because the mean of its divisors is an integer number (1184418612).

Almost surely, 2^16579596642 is an apocalyptic number.

16579596642 is an abundant number, since it is smaller than the sum of its proper divisors (21321798942).

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

16579596642 is a wasteful number, since it uses less digits than its factorization.

16579596642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53914.

The product of its digits is 24494400, while the sum is 60.

The spelling of 16579596642 in words is "sixteen billion, five hundred seventy-nine million, five hundred ninety-six thousand, six hundred forty-two".