3735685664 has 24 divisors (see below), whose sum is σ = 7382612160. Its totient is φ = 1860736576.

The previous prime is 3735685651. The next prime is 3735685697. The reversal of 3735685664 is 4665865373.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213524 + ... + 230355.

It is an arithmetic number, because the mean of its divisors is an integer number (307608840).

Almost surely, 2^3735685664 is an apocalyptic number.

It is an amenable number.

3735685664 is a deficient number, since it is larger than the sum of its proper divisors (3646926496).

3735685664 is a wasteful number, since it uses less digits than its factorization.

3735685664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444152 (or 444144 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 53.

The square root of 3735685664 is about 61120.2557586272. The cubic root of 3735685664 is about 1551.6369337075.

The spelling of 3735685664 in words is "three billion, seven hundred thirty-five million, six hundred eighty-five thousand, six hundred sixty-four".