90164627 has 16 divisors (see below), whose sum is σ = 104405760. Its totient is φ = 76272288.

The previous prime is 90164611. The next prime is 90164639. The reversal of 90164627 is 72646109.

It is a cyclic number.

It is not a de Polignac number, because 90164627 - 2⁴ = 90164611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90161627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284273 + ... + 284589.

It is an arithmetic number, because the mean of its divisors is an integer number (6525360).

Almost surely, 2^90164627 is an apocalyptic number.

90164627 is a deficient number, since it is larger than the sum of its proper divisors (14241133).

90164627 is a wasteful number, since it uses less digits than its factorization.

90164627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 90164627 is about 9495.5056210820. The cubic root of 90164627 is about 448.4135527452.

The spelling of 90164627 in words is "ninety million, one hundred sixty-four thousand, six hundred twenty-seven".