163492643 has 2 divisors, whose sum is σ = 163492644. Its totient is φ = 163492642.

The previous prime is 163492631. The next prime is 163492657. The reversal of 163492643 is 346294361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163492643 - 2⁸ = 163492387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163492597 and 163492606.

It is not a weakly prime, because it can be changed into another prime (163492613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81746321 + 81746322.

It is an arithmetic number, because the mean of its divisors is an integer number (81746322).

Almost surely, 2^163492643 is an apocalyptic number.

163492643 is a deficient number, since it is larger than the sum of its proper divisors (1).

163492643 is an equidigital number, since it uses as much as digits as its factorization.

163492643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 163492643 is about 12786.4241678430. The cubic root of 163492643 is about 546.8053287374.

The spelling of 163492643 in words is "one hundred sixty-three million, four hundred ninety-two thousand, six hundred forty-three".