167713213 has 4 divisors (see below), whose sum is σ = 167785020. Its totient is φ = 167641408.

The previous prime is 167713207. The next prime is 167713219. The reversal of 167713213 is 312317761.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (167713207) and next prime (167713219).

It can be written as a sum of positive squares in 2 ways, for example, as 142038724 + 25674489 = 11918^2 + 5067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167713213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167713219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32278 + ... + 37111.

It is an arithmetic number, because the mean of its divisors is an integer number (41946255).

Almost surely, 2^167713213 is an apocalyptic number.

It is an amenable number.

167713213 is a deficient number, since it is larger than the sum of its proper divisors (71807).

167713213 is an equidigital number, since it uses as much as digits as its factorization.

167713213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71806.

The product of its digits is 5292, while the sum is 31.

The square root of 167713213 is about 12950.4136227381. The cubic root of 167713213 is about 551.4706788323.

The spelling of 167713213 in words is "one hundred sixty-seven million, seven hundred thirteen thousand, two hundred thirteen".