3756668664 has 32 divisors (see below), whose sum is σ = 10733339520. Its totient is φ = 1073333856.

The previous prime is 3756668599. The next prime is 3756668677. The reversal of 3756668664 is 4668666573.

It is a super-2 number, since 2×3756668664² = 28225118902159089792, which contains 22 as substring.

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, 11180394 + ... + 11180729.

It is an arithmetic number, because the mean of its divisors is an integer number (335416860).

Almost surely, 2^3756668664 is an apocalyptic number.

It is an amenable number.

3756668664 is an abundant number, since it is smaller than the sum of its proper divisors (6976670856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3756668664 is a wasteful number, since it uses less digits than its factorization.

3756668664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22361139 (or 22361135 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The square root of 3756668664 is about 61291.6687976433. The cubic root of 3756668664 is about 1554.5366449249.

The spelling of 3756668664 in words is "three billion, seven hundred fifty-six million, six hundred sixty-eight thousand, six hundred sixty-four".