6663440093472 has 240 divisors, whose sum is σ = 20205854821152. Its totient is φ = 2152926397440.

The previous prime is 6663440093449. The next prime is 6663440093507. The reversal of 6663440093472 is 2743900443666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14372548 + ... + 14828924.

Almost surely, 2^{6663440093472} 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 6663440093472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10102927410576).

6663440093472 is an abundant number, since it is smaller than the sum of its proper divisors (13542414727680).

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

6663440093472 is a wasteful number, since it uses less digits than its factorization.

6663440093472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456573 (or 456556 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 54.

The spelling of 6663440093472 in words is "six trillion, six hundred sixty-three billion, four hundred forty million, ninety-three thousand, four hundred seventy-two".