91668350174 has 16 divisors (see below), whose sum is σ = 141973793280. Its totient is φ = 44344496280.

The previous prime is 91668350161. The next prime is 91668350183. The reversal of 91668350174 is 47105386619.

It is a congruent number.

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, 65237 + ... + 433119.

It is an arithmetic number, because the mean of its divisors is an integer number (8873362080).

Almost surely, 2^91668350174 is an apocalyptic number.

91668350174 is a deficient number, since it is larger than the sum of its proper divisors (50305443106).

91668350174 is a wasteful number, since it uses less digits than its factorization.

91668350174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371935.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 91668350174 in words is "ninety-one billion, six hundred sixty-eight million, three hundred fifty thousand, one hundred seventy-four".