91612 has 12 divisors (see below), whose sum is σ = 164920. Its totient is φ = 44496.

The previous prime is 91591. The next prime is 91621. The reversal of 91612 is 21619.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 91612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162 + ... + 457.

2⁹¹⁶¹² is an apocalyptic number.

It is an amenable number.

91612 is a deficient number, since it is larger than the sum of its proper divisors (73308).

91612 is a wasteful number, since it uses less digits than its factorization.

91612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 91612 is about 302.6747429172. The cubic root of 91612 is about 45.0800222235.

It can be divided in two parts, 91 and 612, that added together give a triangular number (703 = T₃₇).

The spelling of 91612 in words is "ninety-one thousand, six hundred twelve".