72613637372167 has 2 divisors, whose sum is σ = 72613637372168. Its totient is φ = 72613637372166.

The previous prime is 72613637372051. The next prime is 72613637372179. The reversal of 72613637372167 is 76127373631627.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72613637372167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72613637378167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36306818686083 + 36306818686084.

It is an arithmetic number, because the mean of its divisors is an integer number (36306818686084).

Almost surely, 2^{72613637372167} is an apocalyptic number.

72613637372167 is a deficient number, since it is larger than the sum of its proper divisors (1).

72613637372167 is an equidigital number, since it uses as much as digits as its factorization.

72613637372167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56010528, while the sum is 61.

The spelling of 72613637372167 in words is "seventy-two trillion, six hundred thirteen billion, six hundred thirty-seven million, three hundred seventy-two thousand, one hundred sixty-seven".