91699456318 has 8 divisors (see below), whose sum is σ = 141986255040. Its totient is φ = 44370704640.

The previous prime is 91699456283. The next prime is 91699456319. The reversal of 91699456318 is 81365499619.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91699456319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739511683 + ... + 739511806.

It is an arithmetic number, because the mean of its divisors is an integer number (17748281880).

Almost surely, 2^91699456318 is an apocalyptic number.

91699456318 is a deficient number, since it is larger than the sum of its proper divisors (50286798722).

91699456318 is a wasteful number, since it uses less digits than its factorization.

91699456318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479023522.

The product of its digits is 12597120, while the sum is 61.

The spelling of 91699456318 in words is "ninety-one billion, six hundred ninety-nine million, four hundred fifty-six thousand, three hundred eighteen".