18258706982 has 16 divisors (see below), whose sum is σ = 28853299440. Its totient is φ = 8641732608.

The previous prime is 18258706927. The next prime is 18258706993. The reversal of 18258706982 is 28960785281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151163 + ... + 243654.

It is an arithmetic number, because the mean of its divisors is an integer number (1803331215).

Almost surely, 2^18258706982 is an apocalyptic number.

18258706982 is a deficient number, since it is larger than the sum of its proper divisors (10594592458).

18258706982 is a wasteful number, since it uses less digits than its factorization.

18258706982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396055.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 18258706982 in words is "eighteen billion, two hundred fifty-eight million, seven hundred six thousand, nine hundred eighty-two".