18306977524 has 12 divisors (see below), whose sum is σ = 34949684448. Its totient is φ = 8321353400.

The previous prime is 18306977477. The next prime is 18306977537. The reversal of 18306977524 is 42577960381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208033792 + ... + 208033879.

It is an arithmetic number, because the mean of its divisors is an integer number (2912473704).

It is a 1-persistent number, because it is pandigital, but 2⋅18306977524 = 36613955048 is not.

Almost surely, 2^18306977524 is an apocalyptic number.

It is an amenable number.

18306977524 is a deficient number, since it is larger than the sum of its proper divisors (16642706924).

18306977524 is a wasteful number, since it uses less digits than its factorization.

18306977524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416067686 (or 416067684 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 18306977524 in words is "eighteen billion, three hundred six million, nine hundred seventy-seven thousand, five hundred twenty-four".