91662192 has 100 divisors (see below), whose sum is σ = 268181496. Its totient is φ = 30222720.

The previous prime is 91662191. The next prime is 91662211. The reversal of 91662192 is 29126619.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91662191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138342 + ... + 139002.

Almost surely, 2^91662192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91662192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134090748).

91662192 is an abundant number, since it is smaller than the sum of its proper divisors (176519304).

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

91662192 is a wasteful number, since it uses less digits than its factorization.

91662192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 773 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 91662192 is about 9574.0373928662. The cubic root of 91662192 is about 450.8825347184.

The spelling of 91662192 in words is "ninety-one million, six hundred sixty-two thousand, one hundred ninety-two".