163434497 has 2 divisors, whose sum is σ = 163434498. Its totient is φ = 163434496.

The previous prime is 163434461. The next prime is 163434503. The reversal of 163434497 is 794434361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148449856 + 14984641 = 12184^2 + 3871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163434497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (163434407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81717248 + 81717249.

It is an arithmetic number, because the mean of its divisors is an integer number (81717249).

Almost surely, 2^163434497 is an apocalyptic number.

It is an amenable number.

163434497 is a deficient number, since it is larger than the sum of its proper divisors (1).

163434497 is an equidigital number, since it uses as much as digits as its factorization.

163434497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 163434497 is about 12784.1502259634. The cubic root of 163434497 is about 546.7404974560.

The spelling of 163434497 in words is "one hundred sixty-three million, four hundred thirty-four thousand, four hundred ninety-seven".