170641060651 has 2 divisors, whose sum is σ = 170641060652. Its totient is φ = 170641060650.

The previous prime is 170641060643. The next prime is 170641060669. The reversal of 170641060651 is 156060146071.

It is a weak prime.

It is an emirp because it is prime and its reverse (156060146071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170641060651 - 2³ = 170641060643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170641060651.

It is not a weakly prime, because it can be changed into another prime (170641060631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85320530325 + 85320530326.

It is an arithmetic number, because the mean of its divisors is an integer number (85320530326).

Almost surely, 2^170641060651 is an apocalyptic number.

170641060651 is a deficient number, since it is larger than the sum of its proper divisors (1).

170641060651 is an equidigital number, since it uses as much as digits as its factorization.

170641060651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 170641060651 in words is "one hundred seventy billion, six hundred forty-one million, sixty thousand, six hundred fifty-one".