91669852 has 12 divisors (see below), whose sum is σ = 165597376. Its totient is φ = 44356320.

The previous prime is 91669843. The next prime is 91669861. The reversal of 91669852 is 25896619.

It is an interprime number because it is at equal distance from previous prime (91669843) and next prime (91669861).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369513 + ... + 369760.

Almost surely, 2^91669852 is an apocalyptic number.

It is an amenable number.

91669852 is a deficient number, since it is larger than the sum of its proper divisors (73927524).

91669852 is a wasteful number, since it uses less digits than its factorization.

91669852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739308 (or 739306 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 91669852 is about 9574.4374247263. The cubic root of 91669852 is about 450.8950941098.

The spelling of 91669852 in words is "ninety-one million, six hundred sixty-nine thousand, eight hundred fifty-two".