660160079 has 2 divisors, whose sum is σ = 660160080. Its totient is φ = 660160078.

The previous prime is 660160021. The next prime is 660160087. The reversal of 660160079 is 970061066.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660160079 - 2²⁴ = 643382863 is a prime.

It is a super-2 number, since 2×660160079² = 871622659810572482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660163079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330080039 + 330080040.

It is an arithmetic number, because the mean of its divisors is an integer number (330080040).

Almost surely, 2^660160079 is an apocalyptic number.

660160079 is a deficient number, since it is larger than the sum of its proper divisors (1).

660160079 is an equidigital number, since it uses as much as digits as its factorization.

660160079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 660160079 is about 25693.5805017518. The cubic root of 660160079 is about 870.7291544297.

The spelling of 660160079 in words is "six hundred sixty million, one hundred sixty thousand, seventy-nine".