66160079 has 2 divisors, whose sum is σ = 66160080. Its totient is φ = 66160078.

The previous prime is 66160069. The next prime is 66160091. The reversal of 66160079 is 97006166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66160079 - 2⁸ = 66159823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66160009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33080039 + 33080040.

It is an arithmetic number, because the mean of its divisors is an integer number (33080040).

Almost surely, 2^66160079 is an apocalyptic number.

66160079 is a deficient number, since it is larger than the sum of its proper divisors (1).

66160079 is an equidigital number, since it uses as much as digits as its factorization.

66160079 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 66160079 is about 8133.8846192948. The cubic root of 66160079 is about 404.4504643577.

The spelling of 66160079 in words is "sixty-six million, one hundred sixty thousand, seventy-nine".