8091664 has 30 divisors (see below), whose sum is σ = 18238974. Its totient is φ = 3467520.

The previous prime is 8091617. The next prime is 8091679. The reversal of 8091664 is 4661908.

It can be written as a sum of positive squares in only one way, i.e., 7075600 + 1016064 = 2660^2 + 1008^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4377 + ... + 5944.

Almost surely, 2^8091664 is an apocalyptic number.

It is an amenable number.

8091664 is an abundant number, since it is smaller than the sum of its proper divisors (10147310).

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

8091664 is a wasteful number, since it uses less digits than its factorization.

8091664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343 (or 10330 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8091664 is about 2844.5850312480. The cubic root of 8091664 is about 200.7609676358.

The spelling of 8091664 in words is "eight million, ninety-one thousand, six hundred sixty-four".