91546664 has 24 divisors (see below), whose sum is σ = 188675130. Its totient is φ = 41611680.

The previous prime is 91546657. The next prime is 91546673. The reversal of 91546664 is 46664519.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 40424164 = 7150^2 + 6358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46319 + ... + 48254.

Almost surely, 2^91546664 is an apocalyptic number.

It is an amenable number.

91546664 is an abundant number, since it is smaller than the sum of its proper divisors (97128466).

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

91546664 is a wasteful number, since it uses less digits than its factorization.

91546664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94601 (or 94586 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 91546664 is about 9568.0020903008. The cubic root of 91546664 is about 450.6930292613.

The spelling of 91546664 in words is "ninety-one million, five hundred forty-six thousand, six hundred sixty-four".