163445633601 has 8 divisors (see below), whose sum is σ = 217972641024. Its totient is φ = 108941190960.

The previous prime is 163445633591. The next prime is 163445633627. The reversal of 163445633601 is 106336544361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163445633601 - 2²² = 163441439297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163445633641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5624286 + ... + 5653271.

It is an arithmetic number, because the mean of its divisors is an integer number (27246580128).

Almost surely, 2^163445633601 is an apocalyptic number.

It is an amenable number.

163445633601 is a deficient number, since it is larger than the sum of its proper divisors (54527007423).

163445633601 is a wasteful number, since it uses less digits than its factorization.

163445633601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282391.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 163445633601 in words is "one hundred sixty-three billion, four hundred forty-five million, six hundred thirty-three thousand, six hundred one".