91669092 has 24 divisors (see below), whose sum is σ = 217402752. Its totient is φ = 30055200.

The previous prime is 91669057. The next prime is 91669133. The reversal of 91669092 is 29096619.

It is a happy number.

It is an unprimeable number.

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, 61884 + ... + 63347.

It is an arithmetic number, because the mean of its divisors is an integer number (9058448).

Almost surely, 2^91669092 is an apocalyptic number.

It is an amenable number.

91669092 is an abundant number, since it is smaller than the sum of its proper divisors (125733660).

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

91669092 is a wasteful number, since it uses less digits than its factorization.

91669092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125299 (or 125297 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 91669092 is about 9574.3977356281. The cubic root of 91669092 is about 450.8938480395.

The spelling of 91669092 in words is "ninety-one million, six hundred sixty-nine thousand, ninety-two".