163432641 has 8 divisors (see below), whose sum is σ = 227384640. Its totient is φ = 104217872.

The previous prime is 163432627. The next prime is 163432657. The reversal of 163432641 is 146234361.

163432641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 163432641 - 2¹¹ = 163430593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163432599 and 163432608.

It is not an unprimeable number, because it can be changed into a prime (163432141) 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, 1184226 + ... + 1184363.

It is an arithmetic number, because the mean of its divisors is an integer number (28423080).

Almost surely, 2^163432641 is an apocalyptic number.

It is an amenable number.

163432641 is a deficient number, since it is larger than the sum of its proper divisors (63951999).

163432641 is a wasteful number, since it uses less digits than its factorization.

163432641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368615.

The product of its digits is 10368, while the sum is 30.

The square root of 163432641 is about 12784.0776358719. The cubic root of 163432641 is about 546.7384278110.

The spelling of 163432641 in words is "one hundred sixty-three million, four hundred thirty-two thousand, six hundred forty-one".