163328001 has 4 divisors (see below), whose sum is σ = 217770672. Its totient is φ = 108885332.

The previous prime is 163327979. The next prime is 163328003. The reversal of 163328001 is 100823361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163328001 - 2⁷ = 163327873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163328003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27221331 + ... + 27221336.

It is an arithmetic number, because the mean of its divisors is an integer number (54442668).

Almost surely, 2^163328001 is an apocalyptic number.

It is an amenable number.

163328001 is a deficient number, since it is larger than the sum of its proper divisors (54442671).

163328001 is an equidigital number, since it uses as much as digits as its factorization.

163328001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54442670.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 163328001 is about 12779.9843896618. The cubic root of 163328001 is about 546.6217172953.

The spelling of 163328001 in words is "one hundred sixty-three million, three hundred twenty-eight thousand, one".