91659680104 has 16 divisors (see below), whose sum is σ = 172080288000. Its totient is φ = 45771603312.

The previous prime is 91659680093. The next prime is 91659680141. The reversal of 91659680104 is 40108695619.

It is a super-2 number, since 2×91659680104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7272904 + ... + 7285495.

It is an arithmetic number, because the mean of its divisors is an integer number (10755018000).

Almost surely, 2^91659680104 is an apocalyptic number.

It is an amenable number.

91659680104 is a deficient number, since it is larger than the sum of its proper divisors (80420607896).

91659680104 is a wasteful number, since it uses less digits than its factorization.

91659680104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559192 (or 14559188 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 91659680104 in words is "ninety-one billion, six hundred fifty-nine million, six hundred eighty thousand, one hundred four".