888936161 has 4 divisors (see below), whose sum is σ = 889008324. Its totient is φ = 888864000.

The previous prime is 888936149. The next prime is 888936173. The reversal of 888936161 is 161639888.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (888936149) and next prime (888936173).

It can be written as a sum of positive squares in 2 ways, for example, as 563350225 + 325585936 = 23735^2 + 18044^2 .

It is a cyclic number.

It is not a de Polignac number, because 888936161 - 2¹⁴ = 888919777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (888936121) 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, 12440 + ... + 43961.

It is an arithmetic number, because the mean of its divisors is an integer number (222252081).

Almost surely, 2^888936161 is an apocalyptic number.

It is an amenable number.

888936161 is a deficient number, since it is larger than the sum of its proper divisors (72163).

888936161 is a wasteful number, since it uses less digits than its factorization.

888936161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72162.

The product of its digits is 497664, while the sum is 50.

The square root of 888936161 is about 29815.0324668614. The cubic root of 888936161 is about 961.5167577816.

The spelling of 888936161 in words is "eight hundred eighty-eight million, nine hundred thirty-six thousand, one hundred sixty-one".