18206621060 has 48 divisors (see below), whose sum is σ = 39910945536. Its totient is φ = 6963445632.

The previous prime is 18206621057. The next prime is 18206621077. The reversal of 18206621060 is 6012660281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653734 + ... + 1664706.

It is an arithmetic number, because the mean of its divisors is an integer number (831478032).

Almost surely, 2^18206621060 is an apocalyptic number.

18206621060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18206621060 is an abundant number, since it is smaller than the sum of its proper divisors (21704324476).

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

18206621060 is a wasteful number, since it uses less digits than its factorization.

18206621060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14612 (or 14610 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 18206621060 in words is "eighteen billion, two hundred six million, six hundred twenty-one thousand, sixty".