163564345 has 16 divisors (see below), whose sum is σ = 225139968. Its totient is φ = 111746880.

The previous prime is 163564337. The next prime is 163564351. The reversal of 163564345 is 543465361.

It is not a de Polignac number, because 163564345 - 2³ = 163564337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260 + ... + 18130.

It is an arithmetic number, because the mean of its divisors is an integer number (14071248).

Almost surely, 2^163564345 is an apocalyptic number.

It is an amenable number.

163564345 is a deficient number, since it is larger than the sum of its proper divisors (61575623).

163564345 is a wasteful number, since it uses less digits than its factorization.

163564345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160.

The product of its digits is 129600, while the sum is 37.

The square root of 163564345 is about 12789.2276936491. The cubic root of 163564345 is about 546.8852534459.

The spelling of 163564345 in words is "one hundred sixty-three million, five hundred sixty-four thousand, three hundred forty-five".