2053606664 has 16 divisors (see below), whose sum is σ = 4077013500. Its totient is φ = 966403072.

The previous prime is 2053606619. The next prime is 2053606669. The reversal of 2053606664 is 4666063502.

It can be written as a sum of positive squares in 2 ways, for example, as 2007936100 + 45670564 = 44810^2 + 6758^2 .

It is not an unprimeable number, because it can be changed into a prime (2053606669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7549889 + ... + 7550160.

Almost surely, 2^2053606664 is an apocalyptic number.

It is an amenable number.

2053606664 is a deficient number, since it is larger than the sum of its proper divisors (2023406836).

2053606664 is a wasteful number, since it uses less digits than its factorization.

2053606664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100072 (or 15100068 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 2053606664 is about 45316.7371287916. The cubic root of 2053606664 is about 1271.0786430077.

The spelling of 2053606664 in words is "two billion, fifty-three million, six hundred six thousand, six hundred sixty-four".