632168002091 has 2 divisors, whose sum is σ = 632168002092. Its totient is φ = 632168002090.

The previous prime is 632168002087. The next prime is 632168002093. The reversal of 632168002091 is 190200861236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 632168002091 - 2² = 632168002087 is a prime.

Together with 632168002093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (632168002093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316084001045 + 316084001046.

It is an arithmetic number, because the mean of its divisors is an integer number (316084001046).

Almost surely, 2^632168002091 is an apocalyptic number.

632168002091 is a deficient number, since it is larger than the sum of its proper divisors (1).

632168002091 is an equidigital number, since it uses as much as digits as its factorization.

632168002091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 632168002091 in words is "six hundred thirty-two billion, one hundred sixty-eight million, two thousand, ninety-one".