90656818 has 32 divisors (see below), whose sum is σ = 167681664. Its totient is φ = 35872512.

The previous prime is 90656779. The next prime is 90656821. The reversal of 90656818 is 81865609.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9021 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (5240052).

Almost surely, 2^90656818 is an apocalyptic number.

90656818 is a deficient number, since it is larger than the sum of its proper divisors (77024846).

90656818 is a wasteful number, since it uses less digits than its factorization.

90656818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 90656818 is about 9521.3873989036. The cubic root of 90656818 is about 449.2280064116.

The spelling of 90656818 in words is "ninety million, six hundred fifty-six thousand, eight hundred eighteen".