91669359274 has 16 divisors (see below), whose sum is σ = 137692972800. Its totient is φ = 45771732864.

The previous prime is 91669359269. The next prime is 91669359293. The reversal of 91669359274 is 47295396619.

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, 9707047 + ... + 9716485.

It is an arithmetic number, because the mean of its divisors is an integer number (8605810800).

Almost surely, 2^91669359274 is an apocalyptic number.

91669359274 is a deficient number, since it is larger than the sum of its proper divisors (46023613526).

91669359274 is a wasteful number, since it uses less digits than its factorization.

91669359274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597.

The product of its digits is 22044960, while the sum is 61.

The spelling of 91669359274 in words is "ninety-one billion, six hundred sixty-nine million, three hundred fifty-nine thousand, two hundred seventy-four".