18667458045 has 48 divisors (see below), whose sum is σ = 33595511040. Its totient is φ = 9944057664.

The previous prime is 18667458011. The next prime is 18667458097. The reversal of 18667458045 is 54085476681.

18667458045 is a `hidden beast` number, since 18 + 6 + 6 + 7 + 4 + 580 + 45 = 666.

It is not a de Polignac number, because 18667458045 - 2⁶ = 18667457981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18667457982 and 18667458000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1056796 + ... + 1074314.

It is an arithmetic number, because the mean of its divisors is an integer number (699906480).

Almost surely, 2^18667458045 is an apocalyptic number.

18667458045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18667458045 is a deficient number, since it is larger than the sum of its proper divisors (14928052995).

18667458045 is an equidigital number, since it uses as much as digits as its factorization.

18667458045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18416 (or 18404 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 18667458045 in words is "eighteen billion, six hundred sixty-seven million, four hundred fifty-eight thousand, forty-five".