90602164 has 6 divisors (see below), whose sum is σ = 158553794. Its totient is φ = 45301080.

The previous prime is 90602123. The next prime is 90602179. The reversal of 90602164 is 46120609.

It can be written as a sum of positive squares in only one way, i.e., 90098064 + 504100 = 9492^2 + 710^2 .

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, 11325267 + ... + 11325274.

Almost surely, 2^90602164 is an apocalyptic number.

It is an amenable number.

90602164 is a deficient number, since it is larger than the sum of its proper divisors (67951630).

90602164 is a wasteful number, since it uses less digits than its factorization.

90602164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22650545 (or 22650543 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90602164 is about 9518.5169012825. The cubic root of 90602164 is about 449.1377133572.

The spelling of 90602164 in words is "ninety million, six hundred two thousand, one hundred sixty-four".