166020713 has 2 divisors, whose sum is σ = 166020714. Its totient is φ = 166020712.

The previous prime is 166020703. The next prime is 166020731. The reversal of 166020713 is 317020661.

166020713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (166020731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105616729 + 60403984 = 10277^2 + 7772^2 .

It is a cyclic number.

It is not a de Polignac number, because 166020713 - 2⁴ = 166020697 is a prime.

It is not a weakly prime, because it can be changed into another prime (166020703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83010356 + 83010357.

It is an arithmetic number, because the mean of its divisors is an integer number (83010357).

Almost surely, 2^166020713 is an apocalyptic number.

It is an amenable number.

166020713 is a deficient number, since it is larger than the sum of its proper divisors (1).

166020713 is an equidigital number, since it uses as much as digits as its factorization.

166020713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 166020713 is about 12884.9025219440. The cubic root of 166020713 is about 549.6093236622.

The spelling of 166020713 in words is "one hundred sixty-six million, twenty thousand, seven hundred thirteen".