4666678666672 has 80 divisors (see below), whose sum is σ = 10294066351872. Its totient is φ = 2028685218560.

The previous prime is 4666678666567. The next prime is 4666678666697. The reversal of 4666678666672 is 2766668766664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27916683 + ... + 28083349.

Almost surely, 2^{4666678666672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4666678666672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5147033175936).

4666678666672 is an abundant number, since it is smaller than the sum of its proper divisors (5627387685200).

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

4666678666672 is a wasteful number, since it uses less digits than its factorization.

4666678666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173626 (or 173620 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 76.

The spelling of 4666678666672 in words is "four trillion, six hundred sixty-six billion, six hundred seventy-eight million, six hundred sixty-six thousand, six hundred seventy-two".