168832091 has 2 divisors, whose sum is σ = 168832092. Its totient is φ = 168832090.

The previous prime is 168832051. The next prime is 168832127. The reversal of 168832091 is 190238861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168832091 - 2¹⁴ = 168815707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168832031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84416045 + 84416046.

It is an arithmetic number, because the mean of its divisors is an integer number (84416046).

Almost surely, 2^168832091 is an apocalyptic number.

168832091 is a deficient number, since it is larger than the sum of its proper divisors (1).

168832091 is an equidigital number, since it uses as much as digits as its factorization.

168832091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 168832091 is about 12993.5403566541. The cubic root of 168832091 is about 552.6943179229.

The spelling of 168832091 in words is "one hundred sixty-eight million, eight hundred thirty-two thousand, ninety-one".