91642112 has 18 divisors (see below), whose sum is σ = 182926758. Its totient is φ = 45820928.

The previous prime is 91642099. The next prime is 91642123. The reversal of 91642112 is 21124619.

It can be written as a sum of positive squares in only one way, i.e., 79138816 + 12503296 = 8896^2 + 3536^2 .

It is a super-3 number, since 3×91642112³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178733 + ... + 179244.

Almost surely, 2^91642112 is an apocalyptic number.

It is an amenable number.

91642112 is a deficient number, since it is larger than the sum of its proper divisors (91284646).

91642112 is an equidigital number, since it uses as much as digits as its factorization.

91642112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357993 (or 357979 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 91642112 is about 9572.9886660332. The cubic root of 91642112 is about 450.8496080839.

The spelling of 91642112 in words is "ninety-one million, six hundred forty-two thousand, one hundred twelve".