91679016 has 64 divisors (see below), whose sum is σ = 269277120. Its totient is φ = 25643520.

The previous prime is 91678973. The next prime is 91679033. The reversal of 91679016 is 61097619.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9925 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (4207455).

Almost surely, 2^91679016 is an apocalyptic number.

It is an amenable number.

91679016 is an abundant number, since it is smaller than the sum of its proper divisors (177598104).

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

91679016 is a wasteful number, since it uses less digits than its factorization.

91679016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26746 (or 26742 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 91679016 is about 9574.9159787436. The cubic root of 91679016 is about 450.9101185512.

The spelling of 91679016 in words is "ninety-one million, six hundred seventy-nine thousand, sixteen".