6667255494144 has 840 divisors, whose sum is σ = 23585120609688. Its totient is φ = 1876153466880.

The previous prime is 6667255494121. The next prime is 6667255494161. The reversal of 6667255494144 is 4414945527666.

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 83 ways as a sum of consecutive naturals, for example, 1225370464 + ... + 1225375904.

Almost surely, 2^{6667255494144} is an apocalyptic number.

6667255494144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6667255494144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11792560304844).

6667255494144 is an abundant number, since it is smaller than the sum of its proper divisors (16917865115544).

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

6667255494144 is an frugal number, since it uses more digits than its factorization.

6667255494144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558 (or 5520 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 63.

The spelling of 6667255494144 in words is "six trillion, six hundred sixty-seven billion, two hundred fifty-five million, four hundred ninety-four thousand, one hundred forty-four".