18058554688 has 28 divisors (see below), whose sum is σ = 36117125632. Its totient is φ = 8958176640.

The previous prime is 18058554599. The next prime is 18058554697. The reversal of 18058554688 is 88645585081.

18058554688 is an admirable number.

It is a super-2 number, since 2×18058554688² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102758 + ... + 1119013.

It is an arithmetic number, because the mean of its divisors is an integer number (1289897344).

Almost surely, 2^18058554688 is an apocalyptic number.

It is an amenable number.

18058554688 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18058554688 is a wasteful number, since it uses less digits than its factorization.

18058554688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221910 (or 2221900 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 58.

The spelling of 18058554688 in words is "eighteen billion, fifty-eight million, five hundred fifty-four thousand, six hundred eighty-eight".