163472900633 has 4 divisors (see below), whose sum is σ = 186826172160. Its totient is φ = 140119629108.

The previous prime is 163472900629. The next prime is 163472900659. The reversal of 163472900633 is 336009274361.

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 163472900633 - 2² = 163472900629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163472900693) 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, 11676635753 + ... + 11676635766.

It is an arithmetic number, because the mean of its divisors is an integer number (46706543040).

Almost surely, 2^163472900633 is an apocalyptic number.

It is an amenable number.

163472900633 is a deficient number, since it is larger than the sum of its proper divisors (23353271527).

163472900633 is an equidigital number, since it uses as much as digits as its factorization.

163472900633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353271526.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 163472900633 in words is "one hundred sixty-three billion, four hundred seventy-two million, nine hundred thousand, six hundred thirty-three".