90159662 has 4 divisors (see below), whose sum is σ = 135239496. Its totient is φ = 45079830.

The previous prime is 90159661. The next prime is 90159673. The reversal of 90159662 is 26695109.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90159661) 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 as a sum of consecutive naturals, namely, 22539914 + ... + 22539917.

It is an arithmetic number, because the mean of its divisors is an integer number (33809874).

Almost surely, 2^90159662 is an apocalyptic number.

90159662 is a deficient number, since it is larger than the sum of its proper divisors (45079834).

90159662 is a wasteful number, since it uses less digits than its factorization.

90159662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079833.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 90159662 is about 9495.2441780083. The cubic root of 90159662 is about 448.4053218227.

The spelling of 90159662 in words is "ninety million, one hundred fifty-nine thousand, six hundred sixty-two".