163098631 has 2 divisors, whose sum is σ = 163098632. Its totient is φ = 163098630.

The previous prime is 163098587. The next prime is 163098653. The reversal of 163098631 is 136890361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163098631 - 2¹³ = 163090439 is a prime.

It is a super-2 number, since 2×163098631² = 53202326868148322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163098931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81549315 + 81549316.

It is an arithmetic number, because the mean of its divisors is an integer number (81549316).

Almost surely, 2^163098631 is an apocalyptic number.

163098631 is a deficient number, since it is larger than the sum of its proper divisors (1).

163098631 is an equidigital number, since it uses as much as digits as its factorization.

163098631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 163098631 is about 12771.0074387262. The cubic root of 163098631 is about 546.3657143232.

The spelling of 163098631 in words is "one hundred sixty-three million, ninety-eight thousand, six hundred thirty-one".