2201610816 has 42 divisors (see below), whose sum is σ = 6310521542. Its totient is φ = 733870080.

The previous prime is 2201610811. The next prime is 2201610911. The reversal of 2201610816 is 6180161022.

It can be written as a sum of positive squares in only one way, i.e., 2033649216 + 167961600 = 45096^2 + 12960^2 .

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 a self number, because there is not a number n which added to its sum of digits gives 2201610816.

It is not an unprimeable number, because it can be changed into a prime (2201610811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1910545 + ... + 1911696.

Almost surely, 2^2201610816 is an apocalyptic number.

It is an amenable number.

2201610816 is an abundant number, since it is smaller than the sum of its proper divisors (4108910726).

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

2201610816 is a wasteful number, since it uses less digits than its factorization.

2201610816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822259 (or 3822246 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2201610816 is about 46921.3258124704. The cubic root of 2201610816 is about 1300.9087957006.

Adding to 2201610816 its reverse (6180161022), we get a palindrome (8381771838).

The spelling of 2201610816 in words is "two billion, two hundred one million, six hundred ten thousand, eight hundred sixteen".