91650760 has 16 divisors (see below), whose sum is σ = 206214300. Its totient is φ = 36660288.

The previous prime is 91650749. The next prime is 91650763. The reversal of 91650760 is 6705619.

It can be written as a sum of positive squares in 2 ways, for example, as 87497316 + 4153444 = 9354^2 + 2038^2 .

It is a super-3 number, since 3×91650760³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91650763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145595 + ... + 1145674.

Almost surely, 2^91650760 is an apocalyptic number.

It is an amenable number.

91650760 is an abundant number, since it is smaller than the sum of its proper divisors (114563540).

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

91650760 is a wasteful number, since it uses less digits than its factorization.

91650760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291280 (or 2291276 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 91650760 is about 9573.4403429488. The cubic root of 91650760 is about 450.8637894273.

The spelling of 91650760 in words is "ninety-one million, six hundred fifty thousand, seven hundred sixty".