163099597 has 2 divisors, whose sum is σ = 163099598. Its totient is φ = 163099596.

The previous prime is 163099579. The next prime is 163099613. The reversal of 163099597 is 795990361.

Together with previous prime (163099579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163098441 + 1156 = 12771^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 163099597 - 2²⁷ = 28881869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163099597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163099577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81549798 + 81549799.

It is an arithmetic number, because the mean of its divisors is an integer number (81549799).

Almost surely, 2^163099597 is an apocalyptic number.

It is an amenable number.

163099597 is a deficient number, since it is larger than the sum of its proper divisors (1).

163099597 is an equidigital number, since it uses as much as digits as its factorization.

163099597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 163099597 is about 12771.0452587092. The cubic root of 163099597 is about 546.3667929921.

The spelling of 163099597 in words is "one hundred sixty-three million, ninety-nine thousand, five hundred ninety-seven".