91849616160 has 96 divisors (see below), whose sum is σ = 293289776640. Its totient is φ = 24157698048.

The previous prime is 91849616153. The next prime is 91849616203. The reversal of 91849616160 is 6161694819.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275600 + ... + 1345679.

It is an arithmetic number, because the mean of its divisors is an integer number (3055101840).

Almost surely, 2^91849616160 is an apocalyptic number.

It is an amenable number.

91849616160 is an abundant number, since it is smaller than the sum of its proper divisors (201440160480).

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

91849616160 is a wasteful number, since it uses less digits than its factorization.

91849616160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621370 (or 2621362 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 91849616160 in words is "ninety-one billion, eight hundred forty-nine million, six hundred sixteen thousand, one hundred sixty".