90657656 has 8 divisors (see below), whose sum is σ = 169983120. Its totient is φ = 45328824.

The previous prime is 90657599. The next prime is 90657691. The reversal of 90657656 is 65675609.

90657656 is nontrivially palindromic in base 14.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666096 + ... + 5666111.

It is an arithmetic number, because the mean of its divisors is an integer number (21247890).

Almost surely, 2^90657656 is an apocalyptic number.

It is an amenable number.

90657656 is a deficient number, since it is larger than the sum of its proper divisors (79325464).

90657656 is a wasteful number, since it uses less digits than its factorization.

90657656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332213 (or 11332209 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 90657656 is about 9521.4314049937. The cubic root of 90657656 is about 449.2293905763.

The spelling of 90657656 in words is "ninety million, six hundred fifty-seven thousand, six hundred fifty-six".