16656351165456 has 40 divisors (see below), whose sum is σ = 43096035037344. Its totient is φ = 5543455395840.

The previous prime is 16656351165427. The next prime is 16656351165457. The reversal of 16656351165456 is 65456115365661.

16656351165456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16656351165456.

It is not an unprimeable number, because it can be changed into a prime (16656351165457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270645766 + ... + 270707301.

Almost surely, 2^{16656351165456} is an apocalyptic number.

16656351165456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16656351165456 is an abundant number, since it is smaller than the sum of its proper divisors (26439683871888).

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

16656351165456 is a wasteful number, since it uses less digits than its factorization.

16656351165456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541353719 (or 541353713 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 60.

The spelling of 16656351165456 in words is "sixteen trillion, six hundred fifty-six billion, three hundred fifty-one million, one hundred sixty-five thousand, four hundred fifty-six".