167625138913 has 4 divisors (see below), whose sum is σ = 177485441220. Its totient is φ = 157764836608.

The previous prime is 167625138907. The next prime is 167625138953. The reversal of 167625138913 is 319831526761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55127283264 + 112497855649 = 234792^2 + 335407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167625138913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167625138953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4930151128 + ... + 4930151161.

It is an arithmetic number, because the mean of its divisors is an integer number (44371360305).

Almost surely, 2^167625138913 is an apocalyptic number.

It is an amenable number.

167625138913 is a deficient number, since it is larger than the sum of its proper divisors (9860302307).

167625138913 is an equidigital number, since it uses as much as digits as its factorization.

167625138913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9860302306.

The product of its digits is 1632960, while the sum is 52.

The spelling of 167625138913 in words is "one hundred sixty-seven billion, six hundred twenty-five million, one hundred thirty-eight thousand, nine hundred thirteen".