18556669060 has 48 divisors (see below), whose sum is σ = 40334011200. Its totient is φ = 7162936704.

The previous prime is 18556669057. The next prime is 18556669069. The reversal of 18556669060 is 6096665581.

It is a super-2 number, since 2×18556669060² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18556668989 and 18556669007.

It is not an unprimeable number, because it can be changed into a prime (18556669069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256479 + ... + 1271161.

It is an arithmetic number, because the mean of its divisors is an integer number (840291900).

Almost surely, 2^18556669060 is an apocalyptic number.

18556669060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18556669060 is an abundant number, since it is smaller than the sum of its proper divisors (21777342140).

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

18556669060 is a wasteful number, since it uses less digits than its factorization.

18556669060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900 (or 16898 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 18556669060 in words is "eighteen billion, five hundred fifty-six million, six hundred sixty-nine thousand, sixty".