168595275097 has 2 divisors, whose sum is σ = 168595275098. Its totient is φ = 168595275096.

The previous prime is 168595275053. The next prime is 168595275103. The reversal of 168595275097 is 790572595861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136621901376 + 31973373721 = 369624^2 + 178811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168595275097 is a prime.

It is not a weakly prime, because it can be changed into another prime (168595276097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84297637548 + 84297637549.

It is an arithmetic number, because the mean of its divisors is an integer number (84297637549).

Almost surely, 2^168595275097 is an apocalyptic number.

It is an amenable number.

168595275097 is a deficient number, since it is larger than the sum of its proper divisors (1).

168595275097 is an equidigital number, since it uses as much as digits as its factorization.

168595275097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628000, while the sum is 64.

The spelling of 168595275097 in words is "one hundred sixty-eight billion, five hundred ninety-five million, two hundred seventy-five thousand, ninety-seven".