1633630161 has 16 divisors (see below), whose sum is σ = 2211547520. Its totient is φ = 1072517760.

The previous prime is 1633630151. The next prime is 1633630169. The reversal of 1633630161 is 1610363361.

It is a de Polignac number, because none of the positive numbers 2^k-1633630161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1633630169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41325 + ... + 70533.

It is an arithmetic number, because the mean of its divisors is an integer number (138221720).

Almost surely, 2^1633630161 is an apocalyptic number.

It is an amenable number.

1633630161 is a deficient number, since it is larger than the sum of its proper divisors (577917359).

1633630161 is a wasteful number, since it uses less digits than its factorization.

1633630161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29496.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 1633630161 is about 40418.1909664448. The cubic root of 1633630161 is about 1177.7449417190.

The spelling of 1633630161 in words is "one billion, six hundred thirty-three million, six hundred thirty thousand, one hundred sixty-one".