168097665575 has 48 divisors (see below), whose sum is σ = 252881403840. Its totient is φ = 108206929920.

The previous prime is 168097665569. The next prime is 168097665577. The reversal of 168097665575 is 575566790861.

168097665575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168097665575 - 2⁸ = 168097665319 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168097665577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1084649 + ... + 1229901.

It is an arithmetic number, because the mean of its divisors is an integer number (5268362580).

Almost surely, 2^168097665575 is an apocalyptic number.

168097665575 is a deficient number, since it is larger than the sum of its proper divisors (84783738265).

168097665575 is a wasteful number, since it uses less digits than its factorization.

168097665575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145676 (or 145671 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 65.

The spelling of 168097665575 in words is "one hundred sixty-eight billion, ninety-seven million, six hundred sixty-five thousand, five hundred seventy-five".