18437160858 has 32 divisors (see below), whose sum is σ = 39247856640. Its totient is φ = 5753917440.

The previous prime is 18437160839. The next prime is 18437160899. The reversal of 18437160858 is 85806173481.

It is a happy number.

18437160858 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 18437160858.

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, 453703 + ... + 492666.

It is an arithmetic number, because the mean of its divisors is an integer number (1226495520).

Almost surely, 2^18437160858 is an apocalyptic number.

18437160858 is an abundant number, since it is smaller than the sum of its proper divisors (20810695782).

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

18437160858 is a wasteful number, since it uses less digits than its factorization.

18437160858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946582.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 18437160858 in words is "eighteen billion, four hundred thirty-seven million, one hundred sixty thousand, eight hundred fifty-eight".