660167113 has 2 divisors, whose sum is σ = 660167114. Its totient is φ = 660167112.

The previous prime is 660167077. The next prime is 660167173. The reversal of 660167113 is 311761066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 660130249 + 36864 = 25693^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 660167113 - 2²⁵ = 626612681 is a prime.

It is not a weakly prime, because it can be changed into another prime (660167173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330083556 + 330083557.

It is an arithmetic number, because the mean of its divisors is an integer number (330083557).

Almost surely, 2^660167113 is an apocalyptic number.

It is an amenable number.

660167113 is a deficient number, since it is larger than the sum of its proper divisors (1).

660167113 is an equidigital number, since it uses as much as digits as its factorization.

660167113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 660167113 is about 25693.7173838275. The cubic root of 660167113 is about 870.7322469560.

The spelling of 660167113 in words is "six hundred sixty million, one hundred sixty-seven thousand, one hundred thirteen".