18753962872 has 16 divisors (see below), whose sum is σ = 35165428560. Its totient is φ = 9376515264.

The previous prime is 18753962869. The next prime is 18753962917. The reversal of 18753962872 is 27826935781.

It is a happy number.

It is a super-2 number, since 2×18753962872² (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, 161428 + ... + 252124.

It is an arithmetic number, because the mean of its divisors is an integer number (2197839285).

Almost surely, 2^18753962872 is an apocalyptic number.

It is an amenable number.

18753962872 is a deficient number, since it is larger than the sum of its proper divisors (16411465688).

18753962872 is a wasteful number, since it uses less digits than its factorization.

18753962872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116550 (or 116546 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 58.

The spelling of 18753962872 in words is "eighteen billion, seven hundred fifty-three million, nine hundred sixty-two thousand, eight hundred seventy-two".