4066503696864 has 120 divisors (see below), whose sum is σ = 13667970819888. Its totient is φ = 1161858193920.

The previous prime is 4066503696847. The next prime is 4066503696881. The reversal of 4066503696864 is 4686963056604.

It is a happy number.

4066503696864 is a `hidden beast` number, since 4 + 0 + 6 + 6 + 503 + 6 + 9 + 68 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (4066503696847) and next prime (4066503696881).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112043797 + ... + 112080084.

Almost surely, 2^{4066503696864} is an apocalyptic number.

It is an amenable number.

4066503696864 is an abundant number, since it is smaller than the sum of its proper divisors (9601467123024).

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

4066503696864 is a wasteful number, since it uses less digits than its factorization.

4066503696864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224123910 (or 224123893 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 63.

The spelling of 4066503696864 in words is "four trillion, sixty-six billion, five hundred three million, six hundred ninety-six thousand, eight hundred sixty-four".