91064466 has 32 divisors (see below), whose sum is σ = 209347200. Its totient is φ = 29307600.

The previous prime is 91064447. The next prime is 91064509. The reversal of 91064466 is 66446019.

91064466 is a `hidden beast` number, since 9 + 1 + 0 + 644 + 6 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91064466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27510 + ... + 30641.

It is an arithmetic number, because the mean of its divisors is an integer number (6542100).

Almost surely, 2^91064466 is an apocalyptic number.

91064466 is an abundant number, since it is smaller than the sum of its proper divisors (118282734).

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

91064466 is a wasteful number, since it uses less digits than its factorization.

91064466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58191 (or 58185 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 91064466 is about 9542.7703524710. The cubic root of 91064466 is about 449.9003334829.

The spelling of 91064466 in words is "ninety-one million, sixty-four thousand, four hundred sixty-six".