18386050776 has 64 divisors (see below), whose sum is σ = 47980235520. Its totient is φ = 5860187520.

The previous prime is 18386050759. The next prime is 18386050831. The reversal of 18386050776 is 67705068381.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3134086 + ... + 3139946.

It is an arithmetic number, because the mean of its divisors is an integer number (749691180).

Almost surely, 2^18386050776 is an apocalyptic number.

It is an amenable number.

18386050776 is an abundant number, since it is smaller than the sum of its proper divisors (29594184744).

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

18386050776 is a wasteful number, since it uses less digits than its factorization.

18386050776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576 (or 11572 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 18386050776 in words is "eighteen billion, three hundred eighty-six million, fifty thousand, seven hundred seventy-six".