18360664074 has 12 divisors (see below), whose sum is σ = 39781438866. Its totient is φ = 6120221352.

The previous prime is 18360664067. The next prime is 18360664111. The reversal of 18360664074 is 47046606381.

It is a happy number.

18360664074 is a `hidden beast` number, since 183 + 6 + 0 + 66 + 407 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15439802049 + 2920862025 = 124257^2 + 54045^2 .

It is a super-2 number, since 2×18360664074² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510018429 + ... + 510018464.

Almost surely, 2^18360664074 is an apocalyptic number.

18360664074 is an abundant number, since it is smaller than the sum of its proper divisors (21420774792).

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

18360664074 is a wasteful number, since it uses less digits than its factorization.

18360664074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020036901 (or 1020036898 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 18360664074 in words is "eighteen billion, three hundred sixty million, six hundred sixty-four thousand, seventy-four".