904676636161 has 2 divisors, whose sum is σ = 904676636162. Its totient is φ = 904676636160.

The previous prime is 904676636141. The next prime is 904676636167. The reversal of 904676636161 is 161636676409.

904676636161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459574170561 + 445102465600 = 677919^2 + 667160^2 .

It is a cyclic number.

It is not a de Polignac number, because 904676636161 - 2³⁷ = 767237682689 is a prime.

It is not a weakly prime, because it can be changed into another prime (904676636167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452338318080 + 452338318081.

It is an arithmetic number, because the mean of its divisors is an integer number (452338318081).

Almost surely, 2^904676636161 is an apocalyptic number.

It is an amenable number.

904676636161 is a deficient number, since it is larger than the sum of its proper divisors (1).

904676636161 is an equidigital number, since it uses as much as digits as its factorization.

904676636161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 904676636161 in words is "nine hundred four billion, six hundred seventy-six million, six hundred thirty-six thousand, one hundred sixty-one".