18372250699 has 16 divisors (see below), whose sum is σ = 20350302336. Its totient is φ = 16445721600.

The previous prime is 18372250679. The next prime is 18372250703. The reversal of 18372250699 is 99605227381.

It is not a de Polignac number, because 18372250699 - 2¹¹ = 18372248651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18372250609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544204 + ... + 2551414.

It is an arithmetic number, because the mean of its divisors is an integer number (1271893896).

Almost surely, 2^18372250699 is an apocalyptic number.

18372250699 is a deficient number, since it is larger than the sum of its proper divisors (1978051637).

18372250699 is a wasteful number, since it uses less digits than its factorization.

18372250699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 18372250699 in words is "eighteen billion, three hundred seventy-two million, two hundred fifty thousand, six hundred ninety-nine".