18109076158 has 64 divisors (see below), whose sum is σ = 30546616320. Its totient is φ = 8009971200.

The previous prime is 18109076113. The next prime is 18109076231. The reversal of 18109076158 is 85167090181.

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, 18273043 + ... + 18274033.

It is an arithmetic number, because the mean of its divisors is an integer number (477290880).

Almost surely, 2^18109076158 is an apocalyptic number.

18109076158 is a deficient number, since it is larger than the sum of its proper divisors (12437540162).

18109076158 is a wasteful number, since it uses less digits than its factorization.

18109076158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 120960, while the sum is 46.

The spelling of 18109076158 in words is "eighteen billion, one hundred nine million, seventy-six thousand, one hundred fifty-eight".