160659491 has 2 divisors, whose sum is σ = 160659492. Its totient is φ = 160659490.

The previous prime is 160659487. The next prime is 160659509. The reversal of 160659491 is 194956061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160659491 - 2² = 160659487 is a prime.

It is a super-2 number, since 2×160659491² = 51622944096758162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160659431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80329745 + 80329746.

It is an arithmetic number, because the mean of its divisors is an integer number (80329746).

Almost surely, 2^160659491 is an apocalyptic number.

160659491 is a deficient number, since it is larger than the sum of its proper divisors (1).

160659491 is an equidigital number, since it uses as much as digits as its factorization.

160659491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 160659491 is about 12675.1525040135. The cubic root of 160659491 is about 543.6283900144.

The spelling of 160659491 in words is "one hundred sixty million, six hundred fifty-nine thousand, four hundred ninety-one".