16922478325636 has 243 divisors, whose sum is σ = 35070493565037. Its totient is φ = 7140056401920.

The previous prime is 16922478325603. The next prime is 16922478325663. The reversal of 16922478325636 is 63652387422961.

The square root of 16922478325636 is 4113694.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 16654609972036 + 267868353600 = 4081006^2 + 517560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 74548362555 + ... + 74548362781.

Almost surely, 2^{16922478325636} is an apocalyptic number.

16922478325636 is the 4113694-th square number.

It is an amenable number.

16922478325636 is an abundant number, since it is smaller than the sum of its proper divisors (18148015239401).

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

16922478325636 is a wasteful number, since it uses less digits than its factorization.

16922478325636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 300 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 64.

The spelling of 16922478325636 in words is "sixteen trillion, nine hundred twenty-two billion, four hundred seventy-eight million, three hundred twenty-five thousand, six hundred thirty-six".