660116539 has 2 divisors, whose sum is σ = 660116540. Its totient is φ = 660116538.

The previous prime is 660116497. The next prime is 660116591. The reversal of 660116539 is 935611066.

660116539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660116539 - 2⁹ = 660116027 is a prime.

It is a super-2 number, since 2×660116539² = 871507690122677042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 660116498 and 660116507.

It is not a weakly prime, because it can be changed into another prime (660111539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330058269 + 330058270.

It is an arithmetic number, because the mean of its divisors is an integer number (330058270).

Almost surely, 2^660116539 is an apocalyptic number.

660116539 is a deficient number, since it is larger than the sum of its proper divisors (1).

660116539 is an equidigital number, since it uses as much as digits as its factorization.

660116539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 660116539 is about 25692.7331944268. The cubic root of 660116539 is about 870.7100114056.

The spelling of 660116539 in words is "six hundred sixty million, one hundred sixteen thousand, five hundred thirty-nine".