90164206 has 16 divisors (see below), whose sum is σ = 150974208. Its totient is φ = 40030200.

The previous prime is 90164203. The next prime is 90164237. The reversal of 90164206 is 60246109.

It is a super-2 number, since 2×90164206² = 16259168087220872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90164203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46710 + ... + 48601.

It is an arithmetic number, because the mean of its divisors is an integer number (9435888).

Almost surely, 2^90164206 is an apocalyptic number.

90164206 is a deficient number, since it is larger than the sum of its proper divisors (60810002).

90164206 is a wasteful number, since it uses less digits than its factorization.

90164206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95367.

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

The square root of 90164206 is about 9495.4834526737. The cubic root of 90164206 is about 448.4128548277.

The spelling of 90164206 in words is "ninety million, one hundred sixty-four thousand, two hundred six".