18159702076 has 6 divisors (see below), whose sum is σ = 31779478640. Its totient is φ = 9079851036.

The previous prime is 18159702037. The next prime is 18159702109. The reversal of 18159702076 is 67020795181.

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 as a sum of consecutive naturals, namely, 2269962756 + ... + 2269962763.

Almost surely, 2^18159702076 is an apocalyptic number.

It is an amenable number.

18159702076 is a deficient number, since it is larger than the sum of its proper divisors (13619776564).

18159702076 is a wasteful number, since it uses less digits than its factorization.

18159702076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539925523 (or 4539925521 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 18159702076 in words is "eighteen billion, one hundred fifty-nine million, seven hundred two thousand, seventy-six".