91916634 has 16 divisors (see below), whose sum is σ = 183949920. Its totient is φ = 30619440.

The previous prime is 91916599. The next prime is 91916639. The reversal of 91916634 is 43661919.

It is a junction number, because it is equal to n+sod(n) for n = 91916592 and 91916601.

It is not an unprimeable number, because it can be changed into a prime (91916639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8004 + ... + 15744.

It is an arithmetic number, because the mean of its divisors is an integer number (11496870).

Almost surely, 2^91916634 is an apocalyptic number.

91916634 is an abundant number, since it is smaller than the sum of its proper divisors (92033286).

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

91916634 is a wasteful number, since it uses less digits than its factorization.

91916634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725.

The product of its digits is 34992, while the sum is 39.

The square root of 91916634 is about 9587.3163085402. The cubic root of 91916634 is about 451.2993458466.

The spelling of 91916634 in words is "ninety-one million, nine hundred sixteen thousand, six hundred thirty-four".