18160054047 has 24 divisors (see below), whose sum is σ = 26501529600. Its totient is φ = 11982571920.

The previous prime is 18160054019. The next prime is 18160054049. The reversal of 18160054047 is 74045006181.

It is a happy number.

18160054047 is a `hidden beast` number, since 1 + 8 + 1 + 600 + 5 + 4 + 0 + 47 = 666.

It is not a de Polignac number, because 18160054047 - 2²³ = 18151665439 is a prime.

It is a super-2 number, since 2×18160054047² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18160054049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315538 + ... + 368624.

It is an arithmetic number, because the mean of its divisors is an integer number (1104230400).

Almost surely, 2^18160054047 is an apocalyptic number.

18160054047 is a deficient number, since it is larger than the sum of its proper divisors (8341475553).

18160054047 is a wasteful number, since it uses less digits than its factorization.

18160054047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53483 (or 53480 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 18160054047 in words is "eighteen billion, one hundred sixty million, fifty-four thousand, forty-seven".