163093643 has 2 divisors, whose sum is σ = 163093644. Its totient is φ = 163093642.

The previous prime is 163093639. The next prime is 163093649. The reversal of 163093643 is 346390361.

163093643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (346390361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163093643 - 2² = 163093639 is a prime.

It is a super-2 number, since 2×163093643² = 53199072774022898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (163093649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81546821 + 81546822.

It is an arithmetic number, because the mean of its divisors is an integer number (81546822).

Almost surely, 2^163093643 is an apocalyptic number.

163093643 is a deficient number, since it is larger than the sum of its proper divisors (1).

163093643 is an equidigital number, since it uses as much as digits as its factorization.

163093643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 163093643 is about 12770.8121511515. The cubic root of 163093643 is about 546.3601444830.

The spelling of 163093643 in words is "one hundred sixty-three million, ninety-three thousand, six hundred forty-three".