91332165983 has 2 divisors, whose sum is σ = 91332165984. Its totient is φ = 91332165982.

The previous prime is 91332165979. The next prime is 91332165989. The reversal of 91332165983 is 38956123319.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91332165983 - 2² = 91332165979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91332165989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45666082991 + 45666082992.

It is an arithmetic number, because the mean of its divisors is an integer number (45666082992).

Almost surely, 2^91332165983 is an apocalyptic number.

91332165983 is a deficient number, since it is larger than the sum of its proper divisors (1).

91332165983 is an equidigital number, since it uses as much as digits as its factorization.

91332165983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The spelling of 91332165983 in words is "ninety-one billion, three hundred thirty-two million, one hundred sixty-five thousand, nine hundred eighty-three".