166701707 has 2 divisors, whose sum is σ = 166701708. Its totient is φ = 166701706.

The previous prime is 166701697. The next prime is 166701713. The reversal of 166701707 is 707107661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166701707 - 2²⁴ = 149924491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166701757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83350853 + 83350854.

It is an arithmetic number, because the mean of its divisors is an integer number (83350854).

Almost surely, 2^166701707 is an apocalyptic number.

166701707 is a deficient number, since it is larger than the sum of its proper divisors (1).

166701707 is an equidigital number, since it uses as much as digits as its factorization.

166701707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 166701707 is about 12911.3015223098. The cubic root of 166701707 is about 550.3597723238.

The spelling of 166701707 in words is "one hundred sixty-six million, seven hundred one thousand, seven hundred seven".