2100146656 has 48 divisors (see below), whose sum is σ = 4191415200. Its totient is φ = 1035763200.

The previous prime is 2100146651. The next prime is 2100146669. The reversal of 2100146656 is 6566410012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100146651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718510 + ... + 721426.

It is an arithmetic number, because the mean of its divisors is an integer number (87321150).

Almost surely, 2^2100146656 is an apocalyptic number.

It is an amenable number.

2100146656 is a deficient number, since it is larger than the sum of its proper divisors (2091268544).

2100146656 is a wasteful number, since it uses less digits than its factorization.

2100146656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227 (or 3219 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2100146656 is about 45827.3570697678. The cubic root of 2100146656 is about 1280.6089745504.

Adding to 2100146656 its reverse (6566410012), we get a palindrome (8666556668).

The spelling of 2100146656 in words is "two billion, one hundred million, one hundred forty-six thousand, six hundred fifty-six".