2144466656 has 24 divisors (see below), whose sum is σ = 4223139480. Its totient is φ = 1071923328.

The previous prime is 2144466647. The next prime is 2144466671. The reversal of 2144466656 is 6566644412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136790 + ... + 151658.

It is an arithmetic number, because the mean of its divisors is an integer number (175964145).

Almost surely, 2^2144466656 is an apocalyptic number.

It is an amenable number.

2144466656 is a deficient number, since it is larger than the sum of its proper divisors (2078672824).

2144466656 is a wasteful number, since it uses less digits than its factorization.

2144466656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386 (or 19378 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 2144466656 is about 46308.3864542914. The cubic root of 2144466656 is about 1289.5546919597.

The spelling of 2144466656 in words is "two billion, one hundred forty-four million, four hundred sixty-six thousand, six hundred fifty-six".