91669076 has 12 divisors (see below), whose sum is σ = 167395872. Its totient is φ = 43841688.

The previous prime is 91669057. The next prime is 91669133. The reversal of 91669076 is 67096619.

It is a happy number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 498110 + ... + 498293.

It is an arithmetic number, because the mean of its divisors is an integer number (13949656).

Almost surely, 2^91669076 is an apocalyptic number.

It is an amenable number.

91669076 is a deficient number, since it is larger than the sum of its proper divisors (75726796).

91669076 is a wasteful number, since it uses less digits than its factorization.

91669076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996430 (or 996428 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 91669076 is about 9574.3969000663. The cubic root of 91669076 is about 450.8938218064.

The spelling of 91669076 in words is "ninety-one million, six hundred sixty-nine thousand, seventy-six".