18993166092 has 60 divisors (see below), whose sum is σ = 50163846040. Its totient is φ = 6265776384.

The previous prime is 18993166079. The next prime is 18993166111. The reversal of 18993166092 is 29066139981.

18993166092 is a `hidden beast` number, since 18 + 9 + 9 + 3 + 16 + 609 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 270742 + ... + 333597.

Almost surely, 2^18993166092 is an apocalyptic number.

18993166092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18993166092 is an abundant number, since it is smaller than the sum of its proper divisors (31170679948).

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

18993166092 is a wasteful number, since it uses less digits than its factorization.

18993166092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604452 (or 604441 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 18993166092 in words is "eighteen billion, nine hundred ninety-three million, one hundred sixty-six thousand, ninety-two".