2569016916 has 18 divisors (see below), whose sum is σ = 6493903962. Its totient is φ = 856338960.

The previous prime is 2569016869. The next prime is 2569016917. The reversal of 2569016916 is 6196109652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1552044816 + 1016972100 = 39396^2 + 31890^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569016917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35680755 + ... + 35680826.

Almost surely, 2^2569016916 is an apocalyptic number.

It is an amenable number.

2569016916 is an abundant number, since it is smaller than the sum of its proper divisors (3924887046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2569016916 is a wasteful number, since it uses less digits than its factorization.

2569016916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71361591 (or 71361586 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2569016916 is about 50685.4704624511. The cubic root of 2569016916 is about 1369.5849908885.

The spelling of 2569016916 in words is "two billion, five hundred sixty-nine million, sixteen thousand, nine hundred sixteen".