670166713 has 8 divisors (see below), whose sum is σ = 693592200. Its totient is φ = 646762368.

The previous prime is 670166699. The next prime is 670166759. The reversal of 670166713 is 317661076.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 669101689 = 1032^2 + 25867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670166713 - 2⁹ = 670166201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670106713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86445 + ... + 93877.

It is an arithmetic number, because the mean of its divisors is an integer number (86699025).

Almost surely, 2^670166713 is an apocalyptic number.

It is an amenable number.

670166713 is a deficient number, since it is larger than the sum of its proper divisors (23425487).

670166713 is a wasteful number, since it uses less digits than its factorization.

670166713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 670166713 is about 25887.5783533339. The cubic root of 670166713 is about 875.1065831527.

The spelling of 670166713 in words is "six hundred seventy million, one hundred sixty-six thousand, seven hundred thirteen".