18064094820 has 48 divisors (see below), whose sum is σ = 50594398848. Its totient is φ = 4815669760.

The previous prime is 18064094791. The next prime is 18064094831. The reversal of 18064094820 is 2849046081.

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, 168940 + ... + 254300.

It is an arithmetic number, because the mean of its divisors is an integer number (1054049976).

Almost surely, 2^18064094820 is an apocalyptic number.

18064094820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18064094820 is an abundant number, since it is smaller than the sum of its proper divisors (32530304028).

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

18064094820 is a wasteful number, since it uses less digits than its factorization.

18064094820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88900 (or 88898 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 18064094820 in words is "eighteen billion, sixty-four million, ninety-four thousand, eight hundred twenty".