170668007 has 2 divisors, whose sum is σ = 170668008. Its totient is φ = 170668006.

The previous prime is 170667997. The next prime is 170668031. The reversal of 170668007 is 700866071.

It is a weak prime.

It is an emirp because it is prime and its reverse (700866071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170668007 is a prime.

It is a super-2 number, since 2×170668007² = 58255137226704098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170668037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85334003 + 85334004.

It is an arithmetic number, because the mean of its divisors is an integer number (85334004).

Almost surely, 2^170668007 is an apocalyptic number.

170668007 is a deficient number, since it is larger than the sum of its proper divisors (1).

170668007 is an equidigital number, since it uses as much as digits as its factorization.

170668007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 170668007 is about 13063.9965936921. The cubic root of 170668007 is about 554.6904715630.

The spelling of 170668007 in words is "one hundred seventy million, six hundred sixty-eight thousand, seven".