91164351 has 8 divisors (see below), whose sum is σ = 121921024. Its totient is φ = 60591960.

The previous prime is 91164347. The next prime is 91164379. The reversal of 91164351 is 15346119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91164351 - 2² = 91164347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91164551) 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, 44911 + ... + 46896.

It is an arithmetic number, because the mean of its divisors is an integer number (15240128).

Almost surely, 2^91164351 is an apocalyptic number.

91164351 is a deficient number, since it is larger than the sum of its proper divisors (30756673).

91164351 is a wasteful number, since it uses less digits than its factorization.

91164351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92141.

The product of its digits is 3240, while the sum is 30.

The square root of 91164351 is about 9548.0024612481. The cubic root of 91164351 is about 450.0647659868.

It can be divided in two parts, 91 and 164351, that multiplied together give a palindrome (14955941).

The spelling of 91164351 in words is "ninety-one million, one hundred sixty-four thousand, three hundred fifty-one".