18151205116 has 48 divisors (see below), whose sum is σ = 36821669472. Its totient is φ = 7737497600.

The previous prime is 18151205087. The next prime is 18151205123. The reversal of 18151205116 is 61150215181.

It is a congruent number.

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, 167010 + ... + 253366.

It is an arithmetic number, because the mean of its divisors is an integer number (767118114).

Almost surely, 2^18151205116 is an apocalyptic number.

It is an amenable number.

18151205116 is an abundant number, since it is smaller than the sum of its proper divisors (18670464356).

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

18151205116 is a wasteful number, since it uses less digits than its factorization.

18151205116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86670 (or 86668 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 31.

The spelling of 18151205116 in words is "eighteen billion, one hundred fifty-one million, two hundred five thousand, one hundred sixteen".