18574053708 has 24 divisors (see below), whose sum is σ = 49530810112. Its totient is φ = 5306872464.

The previous prime is 18574053703. The next prime is 18574053727. The reversal of 18574053708 is 80735047581.

It is a happy number.

It is a super-2 number, since 2×18574053708² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18574053703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110559760 + ... + 110559927.

Almost surely, 2^18574053708 is an apocalyptic number.

It is an amenable number.

18574053708 is an abundant number, since it is smaller than the sum of its proper divisors (30956756404).

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

18574053708 is a wasteful number, since it uses less digits than its factorization.

18574053708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221119701 (or 221119699 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 18574053708 in words is "eighteen billion, five hundred seventy-four million, fifty-three thousand, seven hundred eight".