18969160068 has 48 divisors (see below), whose sum is σ = 49203000000. Its totient is φ = 6320006784.

The previous prime is 18969160027. The next prime is 18969160087. The reversal of 18969160068 is 86006196981.

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

It is a junction number, because it is equal to n+sod(n) for n = 18969159996 and 18969160023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188683 + ... + 271181.

It is an arithmetic number, because the mean of its divisors is an integer number (1025062500).

Almost surely, 2^18969160068 is an apocalyptic number.

18969160068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18969160068 is an abundant number, since it is smaller than the sum of its proper divisors (30233839932).

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

18969160068 is a wasteful number, since it uses less digits than its factorization.

18969160068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84641 (or 84633 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 18969160068 in words is "eighteen billion, nine hundred sixty-nine million, one hundred sixty thousand, sixty-eight".