91166480 has 40 divisors (see below), whose sum is σ = 221182272. Its totient is φ = 34880384.

The previous prime is 91166441. The next prime is 91166489. The reversal of 91166480 is 8466119.

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

It is a super-2 number, since 2×91166480² = 16622654151180800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91166480.

It is not an unprimeable number, because it can be changed into a prime (91166489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22934 + ... + 26613.

Almost surely, 2^91166480 is an apocalyptic number.

It is an amenable number.

91166480 is an abundant number, since it is smaller than the sum of its proper divisors (130015792).

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

91166480 is a wasteful number, since it uses less digits than its factorization.

91166480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49583 (or 49577 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 91166480 is about 9548.1139498856. The cubic root of 91166480 is about 450.0682694777.

The spelling of 91166480 in words is "ninety-one million, one hundred sixty-six thousand, four hundred eighty".