172238844576613 has 16 divisors (see below), whose sum is σ = 173809430913024. Its totient is φ = 170671659500160.

The previous prime is 172238844576569. The next prime is 172238844576653. The reversal of 172238844576613 is 316675448832271.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172238844576613 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 (172238844576653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876537931 + ... + 876734407.

It is an arithmetic number, because the mean of its divisors is an integer number (10863089432064).

Almost surely, 2^{172238844576613} is an apocalyptic number.

It is an amenable number.

172238844576613 is a deficient number, since it is larger than the sum of its proper divisors (1570586336411).

172238844576613 is a wasteful number, since it uses less digits than its factorization.

172238844576613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205092.

The product of its digits is 325140480, while the sum is 67.

The spelling of 172238844576613 in words is "one hundred seventy-two trillion, two hundred thirty-eight billion, eight hundred forty-four million, five hundred seventy-six thousand, six hundred thirteen".