165115670107 has 2 divisors, whose sum is σ = 165115670108. Its totient is φ = 165115670106.

The previous prime is 165115670039. The next prime is 165115670243. The reversal of 165115670107 is 701076511561.

It is a weak prime.

It is an emirp because it is prime and its reverse (701076511561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165115670107 - 2¹¹ = 165115668059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165115670107.

It is not a weakly prime, because it can be changed into another prime (165115670407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82557835053 + 82557835054.

It is an arithmetic number, because the mean of its divisors is an integer number (82557835054).

Almost surely, 2^165115670107 is an apocalyptic number.

165115670107 is a deficient number, since it is larger than the sum of its proper divisors (1).

165115670107 is an equidigital number, since it uses as much as digits as its factorization.

165115670107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 40.

The spelling of 165115670107 in words is "one hundred sixty-five billion, one hundred fifteen million, six hundred seventy thousand, one hundred seven".