90366657 has 8 divisors (see below), whose sum is σ = 121020576. Its totient is φ = 59978592.

The previous prime is 90366629. The next prime is 90366721. The reversal of 90366657 is 75666309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90366657 - 2⁶ = 90366593 is a prime.

It is a super-2 number, since 2×90366657² = 16332265394711298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90366557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65668 + ... + 67029.

It is an arithmetic number, because the mean of its divisors is an integer number (15127572).

Almost surely, 2^90366657 is an apocalyptic number.

It is an amenable number.

90366657 is a deficient number, since it is larger than the sum of its proper divisors (30653919).

90366657 is a wasteful number, since it uses less digits than its factorization.

90366657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132927.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 90366657 is about 9506.1378592991. The cubic root of 90366657 is about 448.7482198754.

The spelling of 90366657 in words is "ninety million, three hundred sixty-six thousand, six hundred fifty-seven".