3666463760644 has 24 divisors (see below), whose sum is σ = 6754073698400. Its totient is φ = 1736730175680.

The previous prime is 3666463760639. The next prime is 3666463760683. The reversal of 3666463760644 is 4460673646663.

It is a happy 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, 16320472 + ... + 16543600.

Almost surely, 2^{3666463760644} is an apocalyptic number.

It is an amenable number.

3666463760644 is a deficient number, since it is larger than the sum of its proper divisors (3087609937756).

3666463760644 is a wasteful number, since it uses less digits than its factorization.

3666463760644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439363 (or 439361 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 61.

The spelling of 3666463760644 in words is "three trillion, six hundred sixty-six billion, four hundred sixty-three million, seven hundred sixty thousand, six hundred forty-four".