18386050775 has 12 divisors (see below), whose sum is σ = 22800828600. Its totient is φ = 14707469280.

The previous prime is 18386050759. The next prime is 18386050831. The reversal of 18386050775 is 57705068381.

It is not a de Polignac number, because 18386050775 - 2⁴ = 18386050759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305096 + ... + 360354.

It is an arithmetic number, because the mean of its divisors is an integer number (1900069050).

Almost surely, 2^18386050775 is an apocalyptic number.

18386050775 is a deficient number, since it is larger than the sum of its proper divisors (4414777825).

18386050775 is a wasteful number, since it uses less digits than its factorization.

18386050775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68578 (or 68573 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 18386050775 in words is "eighteen billion, three hundred eighty-six million, fifty thousand, seven hundred seventy-five".