18058972476 has 24 divisors (see below), whose sum is σ = 42188455120. Its totient is φ = 6012392832.

The previous prime is 18058972447. The next prime is 18058972489. The reversal of 18058972476 is 67427985081.

It is a super-2 number, since 2×18058972476² (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 7 ways as a sum of consecutive naturals, for example, 897721 + ... + 917616.

Almost surely, 2^18058972476 is an apocalyptic number.

It is an amenable number.

18058972476 is an abundant number, since it is smaller than the sum of its proper divisors (24129482644).

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

18058972476 is a wasteful number, since it uses less digits than its factorization.

18058972476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816173 (or 1816171 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 18058972476 in words is "eighteen billion, fifty-eight million, nine hundred seventy-two thousand, four hundred seventy-six".