91750916766 has 32 divisors (see below), whose sum is σ = 185030576640. Its totient is φ = 30329781696.

The previous prime is 91750916737. The next prime is 91750916773. The reversal of 91750916766 is 66761905719.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277770 + ... + 510546.

It is an arithmetic number, because the mean of its divisors is an integer number (5782205520).

Almost surely, 2^91750916766 is an apocalyptic number.

91750916766 is an abundant number, since it is smaller than the sum of its proper divisors (93279659874).

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

91750916766 is a wasteful number, since it uses less digits than its factorization.

91750916766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233328.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 91750916766 in words is "ninety-one billion, seven hundred fifty million, nine hundred sixteen thousand, seven hundred sixty-six".