18834058158 has 64 divisors (see below), whose sum is σ = 40260395520. Its totient is φ = 5853209600.

The previous prime is 18834058081. The next prime is 18834058189. The reversal of 18834058158 is 85185043881.

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 18834058158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5128663 + ... + 5132333.

It is an arithmetic number, because the mean of its divisors is an integer number (629068680).

Almost surely, 2^18834058158 is an apocalyptic number.

18834058158 is an abundant number, since it is smaller than the sum of its proper divisors (21426337362).

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

18834058158 is a wasteful number, since it uses less digits than its factorization.

18834058158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 18834058158 in words is "eighteen billion, eight hundred thirty-four million, fifty-eight thousand, one hundred fifty-eight".