18486292668 has 24 divisors (see below), whose sum is σ = 45404929920. Its totient is φ = 5837776560.

The previous prime is 18486292633. The next prime is 18486292679. The reversal of 18486292668 is 86629268481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40539888 + ... + 40540343.

It is an arithmetic number, because the mean of its divisors is an integer number (1891872080).

Almost surely, 2^18486292668 is an apocalyptic number.

It is an amenable number.

18486292668 is an abundant number, since it is smaller than the sum of its proper divisors (26918637252).

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

18486292668 is a wasteful number, since it uses less digits than its factorization.

18486292668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81080257 (or 81080255 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The spelling of 18486292668 in words is "eighteen billion, four hundred eighty-six million, two hundred ninety-two thousand, six hundred sixty-eight".