2162064004 has 27 divisors (see below), whose sum is σ = 3852027543. Its totient is φ = 1061828328.

The previous prime is 2162063989. The next prime is 2162064013. The reversal of 2162064004 is 4004602612.

The square root of 2162064004 is 46498.

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

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 2162064004.

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, 6230559 + ... + 6230905.

Almost surely, 2^2162064004 is an apocalyptic number.

2162064004 is the 46498-th square number.

It is an amenable number.

2162064004 is a deficient number, since it is larger than the sum of its proper divisors (1689963539).

2162064004 is an frugal number, since it uses more digits than its factorization.

2162064004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The cubic root of 2162064004 is about 1293.0724201479.

Multiplying 2162064004 by its sum of digits (25), we get a square (54051600100 = 232490²).

Multiplying 2162064004 by its product of nonzero digits (2304), we get a square (4981395465216 = 2231904²).

Adding to 2162064004 its reverse (4004602612), we get a palindrome (6166666616).

The spelling of 2162064004 in words is "two billion, one hundred sixty-two million, sixty-four thousand, four".