91668162 has 16 divisors (see below), whose sum is σ = 183612960. Its totient is φ = 30509952.

The previous prime is 91668151. The next prime is 91668163. The reversal of 91668162 is 26186619.

It is a self number, because there is not a number n which added to its sum of digits gives 91668162.

It is not an unprimeable number, because it can be changed into a prime (91668163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087 + ... + 15282.

It is an arithmetic number, because the mean of its divisors is an integer number (11475810).

Almost surely, 2^91668162 is an apocalyptic number.

91668162 is an abundant number, since it is smaller than the sum of its proper divisors (91944798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91668162 is a wasteful number, since it uses less digits than its factorization.

91668162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23057.

The product of its digits is 31104, while the sum is 39.

The square root of 91668162 is about 9574.3491684814. The cubic root of 91668162 is about 450.8923232337.

The spelling of 91668162 in words is "ninety-one million, six hundred sixty-eight thousand, one hundred sixty-two".