18116969076 has 36 divisors (see below), whose sum is σ = 46223678592. Its totient is φ = 5982549264.

The previous prime is 18116969033. The next prime is 18116969089. The reversal of 18116969076 is 67096961181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2347780 + ... + 2355483.

It is an arithmetic number, because the mean of its divisors is an integer number (1283991072).

Almost surely, 2^18116969076 is an apocalyptic number.

It is an amenable number.

18116969076 is an abundant number, since it is smaller than the sum of its proper divisors (28106709516).

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

18116969076 is a wasteful number, since it uses less digits than its factorization.

18116969076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703380 (or 4703375 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 18116969076 in words is "eighteen billion, one hundred sixteen million, nine hundred sixty-nine thousand, seventy-six".