163602541 has 2 divisors, whose sum is σ = 163602542. Its totient is φ = 163602540.

The previous prime is 163602533. The next prime is 163602547. The reversal of 163602541 is 145206361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163098441 + 504100 = 12771^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 163602541 - 2³ = 163602533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163602547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81801270 + 81801271.

It is an arithmetic number, because the mean of its divisors is an integer number (81801271).

Almost surely, 2^163602541 is an apocalyptic number.

It is an amenable number.

163602541 is a deficient number, since it is larger than the sum of its proper divisors (1).

163602541 is an equidigital number, since it uses as much as digits as its factorization.

163602541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 163602541 is about 12790.7208944610. The cubic root of 163602541 is about 546.9278201869.

The spelling of 163602541 in words is "one hundred sixty-three million, six hundred two thousand, five hundred forty-one".