8632161 has 12 divisors (see below), whose sum is σ = 12734592. Its totient is φ = 5632056.

The previous prime is 8632157. The next prime is 8632187. The reversal of 8632161 is 1612368.

8632161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8632161 - 2² = 8632157 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8632361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9781 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (1061216).

Almost surely, 2^8632161 is an apocalyptic number.

It is an amenable number.

8632161 is a deficient number, since it is larger than the sum of its proper divisors (4102431).

8632161 is a wasteful number, since it uses less digits than its factorization.

8632161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20460 (or 20457 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 8632161 is about 2938.0539477688. The cubic root of 8632161 is about 205.1350369465.

The spelling of 8632161 in words is "eight million, six hundred thirty-two thousand, one hundred sixty-one".