166607039 has 2 divisors, whose sum is σ = 166607040. Its totient is φ = 166607038.

The previous prime is 166607017. The next prime is 166607099. The reversal of 166607039 is 930706661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166607039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 166606993 and 166607011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166607099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83303519 + 83303520.

It is an arithmetic number, because the mean of its divisors is an integer number (83303520).

Almost surely, 2^166607039 is an apocalyptic number.

166607039 is a deficient number, since it is larger than the sum of its proper divisors (1).

166607039 is an equidigital number, since it uses as much as digits as its factorization.

166607039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 166607039 is about 12907.6349111679. The cubic root of 166607039 is about 550.2555715819.

The spelling of 166607039 in words is "one hundred sixty-six million, six hundred seven thousand, thirty-nine".