18934627960 has 32 divisors (see below), whose sum is σ = 42888852000. Its totient is φ = 7523017600.

The previous prime is 18934627891. The next prime is 18934627967. The reversal of 18934627960 is 6972643981.

It is a super-2 number, since 2×18934627960² (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 (18934627967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582516 + ... + 1594435.

It is an arithmetic number, because the mean of its divisors is an integer number (1340276625).

Almost surely, 2^18934627960 is an apocalyptic number.

18934627960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18934627960 is an abundant number, since it is smaller than the sum of its proper divisors (23954224040).

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

18934627960 is a wasteful number, since it uses less digits than its factorization.

18934627960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177111 (or 3177107 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 18934627960 in words is "eighteen billion, nine hundred thirty-four million, six hundred twenty-seven thousand, nine hundred sixty".