90199162 has 4 divisors (see below), whose sum is σ = 135298746. Its totient is φ = 45099580.

The previous prime is 90199159. The next prime is 90199183. The reversal of 90199162 is 26199109.

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

It can be written as a sum of positive squares in only one way, i.e., 85951441 + 4247721 = 9271^2 + 2061^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22549789 + ... + 22549792.

Almost surely, 2^90199162 is an apocalyptic number.

90199162 is a deficient number, since it is larger than the sum of its proper divisors (45099584).

90199162 is a wasteful number, since it uses less digits than its factorization.

90199162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45099583.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 90199162 is about 9497.3239388788. The cubic root of 90199162 is about 448.4707961300.

It can be divided in two parts, 9019 and 9162, that added together give a palindrome (18181).

The spelling of 90199162 in words is "ninety million, one hundred ninety-nine thousand, one hundred sixty-two".