90107066 has 16 divisors (see below), whose sum is σ = 154970304. Its totient is φ = 38492064.

The previous prime is 90107011. The next prime is 90107081. The reversal of 90107066 is 66070109.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (9685644).

Almost surely, 2^90107066 is an apocalyptic number.

90107066 is a deficient number, since it is larger than the sum of its proper divisors (64863238).

90107066 is a wasteful number, since it uses less digits than its factorization.

90107066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20885.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 90107066 is about 9492.4741769467. The cubic root of 90107066 is about 448.3181101904.

The spelling of 90107066 in words is "ninety million, one hundred seven thousand, sixty-six".