91164010 has 24 divisors (see below), whose sum is σ = 190887300. Its totient is φ = 31256064.

The previous prime is 91163981. The next prime is 91164037. The reversal of 91164010 is 1046119.

It can be written as a sum of positive squares in 2 ways, for example, as 86545809 + 4618201 = 9303^2 + 2149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92535 + ... + 93514.

Almost surely, 2^91164010 is an apocalyptic number.

91164010 is an abundant number, since it is smaller than the sum of its proper divisors (99723290).

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

91164010 is a wasteful number, since it uses less digits than its factorization.

91164010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186070 (or 186063 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 91164010 is about 9547.9846040932. The cubic root of 91164010 is about 450.0642048308.

The spelling of 91164010 in words is "ninety-one million, one hundred sixty-four thousand, ten".