3648633566 has 16 divisors (see below), whose sum is σ = 5865256224. Its totient is φ = 1697835744.

The previous prime is 3648633557. The next prime is 3648633577. The reversal of 3648633566 is 6653368463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070165 + ... + 1073568.

It is an arithmetic number, because the mean of its divisors is an integer number (366578514).

Almost surely, 2^3648633566 is an apocalyptic number.

3648633566 is a deficient number, since it is larger than the sum of its proper divisors (2216622658).

3648633566 is a wasteful number, since it uses less digits than its factorization.

3648633566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143795.

The product of its digits is 5598720, while the sum is 50.

The square root of 3648633566 is about 60403.9201211312. The cubic root of 3648633566 is about 1539.4895657536.

The spelling of 3648633566 in words is "three billion, six hundred forty-eight million, six hundred thirty-three thousand, five hundred sixty-six".