16579777032 has 128 divisors (see below), whose sum is σ = 56683065600. Its totient is φ = 4372683264.

The previous prime is 16579777013. The next prime is 16579777063. The reversal of 16579777032 is 23077797561.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16579777032.

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, 402093 + ... + 441404.

It is an arithmetic number, because the mean of its divisors is an integer number (442836450).

Almost surely, 2^16579777032 is an apocalyptic number.

16579777032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16579777032 is an abundant number, since it is smaller than the sum of its proper divisors (40103288568).

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

16579777032 is a wasteful number, since it uses less digits than its factorization.

16579777032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843532 (or 843522 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 54.

The spelling of 16579777032 in words is "sixteen billion, five hundred seventy-nine million, seven hundred seventy-seven thousand, thirty-two".