3636346664 has 16 divisors (see below), whose sum is σ = 6911550420. Its totient is φ = 1793266560.

The previous prime is 3636346633. The next prime is 3636346739. The reversal of 3636346664 is 4666436363.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3541440100 + 94906564 = 59510^2 + 9742^2 .

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, 3112727 + ... + 3113894.

Almost surely, 2^3636346664 is an apocalyptic number.

It is an amenable number.

3636346664 is a deficient number, since it is larger than the sum of its proper divisors (3275203756).

3636346664 is a wasteful number, since it uses less digits than its factorization.

3636346664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226700 (or 6226696 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 47.

The square root of 3636346664 is about 60302.1281879835. The cubic root of 3636346664 is about 1537.7595272035.

The spelling of 3636346664 in words is "three billion, six hundred thirty-six million, three hundred forty-six thousand, six hundred sixty-four".