91922732663 has 4 divisors (see below), whose sum is σ = 91924103040. Its totient is φ = 91921362288.

The previous prime is 91922732647. The next prime is 91922732717. The reversal of 91922732663 is 36623722919.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91922732663 - 2⁴ = 91922732647 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 (91922782663) 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, 579095 + ... + 720552.

It is an arithmetic number, because the mean of its divisors is an integer number (22981025760).

Almost surely, 2^91922732663 is an apocalyptic number.

91922732663 is a deficient number, since it is larger than the sum of its proper divisors (1370377).

91922732663 is a wasteful number, since it uses less digits than its factorization.

91922732663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370376.

The product of its digits is 1469664, while the sum is 50.

The spelling of 91922732663 in words is "ninety-one billion, nine hundred twenty-two million, seven hundred thirty-two thousand, six hundred sixty-three".