2656165444 has 27 divisors (see below), whose sum is σ = 4726225623. Its totient is φ = 1306179072.

The previous prime is 2656165433. The next prime is 2656165469. The reversal of 2656165444 is 4445616562.

The square root of 2656165444 is 51538.

It is a perfect power (a square), and thus also a powerful number.

2656165444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1855044 + 2654310400 = 1362^2 + 51520^2 .

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 2656165444.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7524372 + ... + 7524724.

Almost surely, 2^2656165444 is an apocalyptic number.

2656165444 is the 51538-th square number.

It is an amenable number.

2656165444 is a deficient number, since it is larger than the sum of its proper divisors (2070060179).

2656165444 is an frugal number, since it uses more digits than its factorization.

2656165444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 428 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The cubic root of 2656165444 is about 1384.8998687748.

It can be divided in two parts, 2656 and 165444, that added together give a square (168100 = 410²).

The spelling of 2656165444 in words is "two billion, six hundred fifty-six million, one hundred sixty-five thousand, four hundred forty-four".