91664265214811 has 8 divisors (see below), whose sum is σ = 92955561753600. Its totient is φ = 90372975635880.

The previous prime is 91664265214763. The next prime is 91664265214843. The reversal of 91664265214811 is 11841256246619.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91664265214811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91664265214891) 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, 28450160 + ... + 31507778.

It is an arithmetic number, because the mean of its divisors is an integer number (11619445219200).

Almost surely, 2^{91664265214811} is an apocalyptic number.

91664265214811 is a deficient number, since it is larger than the sum of its proper divisors (1291296538789).

91664265214811 is a wasteful number, since it uses less digits than its factorization.

91664265214811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479929.

The product of its digits is 4976640, while the sum is 56.

The spelling of 91664265214811 in words is "ninety-one trillion, six hundred sixty-four billion, two hundred sixty-five million, two hundred fourteen thousand, eight hundred eleven".