90500163 has 16 divisors (see below), whose sum is σ = 137594016. Its totient is φ = 52416000.

The previous prime is 90500131. The next prime is 90500227. The reversal of 90500163 is 36100509.

It is not a de Polignac number, because 90500163 - 2⁵ = 90500131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90500063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67588 + ... + 68913.

It is an arithmetic number, because the mean of its divisors is an integer number (8599626).

Almost surely, 2^90500163 is an apocalyptic number.

90500163 is a deficient number, since it is larger than the sum of its proper divisors (47093853).

90500163 is a wasteful number, since it uses less digits than its factorization.

90500163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136534.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 90500163 is about 9513.1573623062. The cubic root of 90500163 is about 448.9691018630.

The spelling of 90500163 in words is "ninety million, five hundred thousand, one hundred sixty-three".