18096161680 has 40 divisors (see below), whose sum is σ = 42088056192. Its totient is φ = 7235973504.

The previous prime is 18096161663. The next prime is 18096161693. The reversal of 18096161680 is 8616169081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 18096161680.

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, 204427 + ... + 279253.

Almost surely, 2^18096161680 is an apocalyptic number.

18096161680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18096161680 is an abundant number, since it is smaller than the sum of its proper divisors (23991894512).

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

18096161680 is a wasteful number, since it uses less digits than its factorization.

18096161680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77863 (or 77857 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

It can be divided in two parts, 18096 and 161680, that added together give a square (179776 = 424²).

The spelling of 18096161680 in words is "eighteen billion, ninety-six million, one hundred sixty-one thousand, six hundred eighty".