900027161 has 6 divisors (see below), whose sum is σ = 989286186. Its totient is φ = 818206400.

The previous prime is 900027143. The next prime is 900027179. The reversal of 900027161 is 161720009.

900027161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (900027143) and next prime (900027179).

It can be written as a sum of positive squares in only one way, i.e., 531579136 + 368448025 = 23056^2 + 19195^2 .

It is not a de Polignac number, because 900027161 - 2⁶ = 900027097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900027161.

It is not an unprimeable number, because it can be changed into a prime (900027461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3719000 + ... + 3719241.

It is an arithmetic number, because the mean of its divisors is an integer number (164881031).

Almost surely, 2^900027161 is an apocalyptic number.

It is an amenable number.

900027161 is a deficient number, since it is larger than the sum of its proper divisors (89259025).

900027161 is a wasteful number, since it uses less digits than its factorization.

900027161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438263 (or 7438252 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 900027161 is about 30000.4526799180. The cubic root of 900027161 is about 965.4990969735.

The spelling of 900027161 in words is "nine hundred million, twenty-seven thousand, one hundred sixty-one".