18912850576 has 15 divisors (see below), whose sum is σ = 36644713833. Its totient is φ = 9456150240.

The previous prime is 18912850549. The next prime is 18912850589. The reversal of 18912850576 is 67505821981.

The square root of 18912850576 is 137524.

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

It can be written as a sum of positive squares in only one way, i.e., 1804210576 + 17108640000 = 42476^2 + 130800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 532906 + ... + 567286.

Almost surely, 2^18912850576 is an apocalyptic number.

18912850576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18912850576 is the 137524-th square number.

It is an amenable number.

18912850576 is a deficient number, since it is larger than the sum of its proper divisors (17731863257).

18912850576 is an frugal number, since it uses more digits than its factorization.

18912850576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68770 (or 34383 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 18912850576 in words is "eighteen billion, nine hundred twelve million, eight hundred fifty thousand, five hundred seventy-six".