2633622161 has 4 divisors (see below), whose sum is σ = 2694869232. Its totient is φ = 2572375092.

The previous prime is 2633622127. The next prime is 2633622163. The reversal of 2633622161 is 1612263362.

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 2633622161 - 2¹⁸ = 2633360017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2633622163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30623471 + ... + 30623556.

It is an arithmetic number, because the mean of its divisors is an integer number (673717308).

Almost surely, 2^2633622161 is an apocalyptic number.

It is an amenable number.

2633622161 is a deficient number, since it is larger than the sum of its proper divisors (61247071).

2633622161 is an equidigital number, since it uses as much as digits as its factorization.

2633622161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61247070.

The product of its digits is 15552, while the sum is 32.

The square root of 2633622161 is about 51318.8285232623. The cubic root of 2633622161 is about 1380.9707796847.

The spelling of 2633622161 in words is "two billion, six hundred thirty-three million, six hundred twenty-two thousand, one hundred sixty-one".