91613716 has 12 divisors (see below), whose sum is σ = 163735488. Its totient is φ = 44832152.

The previous prime is 91613701. The next prime is 91613747. The reversal of 91613716 is 61731619.

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, 243466 + ... + 243841.

It is an arithmetic number, because the mean of its divisors is an integer number (13644624).

Almost surely, 2^91613716 is an apocalyptic number.

It is an amenable number.

91613716 is a deficient number, since it is larger than the sum of its proper divisors (72121772).

91613716 is a wasteful number, since it uses less digits than its factorization.

91613716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487358 (or 487356 counting only the distinct ones).

The product of its digits is 6804, while the sum is 34.

The square root of 91613716 is about 9571.5054197341. The cubic root of 91613716 is about 450.8030368889.

It can be divided in two parts, 91613 and 716, that added together give a palindrome (92329).

The spelling of 91613716 in words is "ninety-one million, six hundred thirteen thousand, seven hundred sixteen".