163632545 has 16 divisors (see below), whose sum is σ = 198720000. Its totient is φ = 129342528.

The previous prime is 163632527. The next prime is 163632577. The reversal of 163632545 is 545236361.

It is a cyclic number.

It is not a de Polignac number, because 163632545 - 2⁶ = 163632481 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 177596 + ... + 178514.

It is an arithmetic number, because the mean of its divisors is an integer number (12420000).

Almost surely, 2^163632545 is an apocalyptic number.

It is an amenable number.

163632545 is a deficient number, since it is larger than the sum of its proper divisors (35087455).

163632545 is a wasteful number, since it uses less digits than its factorization.

163632545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 64800, while the sum is 35.

The square root of 163632545 is about 12791.8937221977. The cubic root of 163632545 is about 546.9612528772.

The spelling of 163632545 in words is "one hundred sixty-three million, six hundred thirty-two thousand, five hundred forty-five".