172616386699 has 2 divisors, whose sum is σ = 172616386700. Its totient is φ = 172616386698.

The previous prime is 172616386651. The next prime is 172616386711. The reversal of 172616386699 is 996683616271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172616386699 - 2⁷ = 172616386571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172616386699.

It is not a weakly prime, because it can be changed into another prime (172610386699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86308193349 + 86308193350.

It is an arithmetic number, because the mean of its divisors is an integer number (86308193350).

Almost surely, 2^172616386699 is an apocalyptic number.

172616386699 is a deficient number, since it is larger than the sum of its proper divisors (1).

172616386699 is an equidigital number, since it uses as much as digits as its factorization.

172616386699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 64.

The spelling of 172616386699 in words is "one hundred seventy-two billion, six hundred sixteen million, three hundred eighty-six thousand, six hundred ninety-nine".