91347516 has 72 divisors (see below), whose sum is σ = 261781520. Its totient is φ = 26625024.

The previous prime is 91347491. The next prime is 91347533. The reversal of 91347516 is 61574319.

91347516 is a `hidden beast` number, since 9 + 134 + 7 + 516 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3756 + ... + 14028.

Almost surely, 2^91347516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91347516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130890760).

91347516 is an abundant number, since it is smaller than the sum of its proper divisors (170434004).

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

91347516 is a wasteful number, since it uses less digits than its factorization.

91347516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10310 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 91347516 is about 9557.5894450431. The cubic root of 91347516 is about 450.3659837472.

The spelling of 91347516 in words is "ninety-one million, three hundred forty-seven thousand, five hundred sixteen".