667294202880 has 528 divisors, whose sum is σ = 2441484739200. Its totient is φ = 168051179520.

The previous prime is 667294202851. The next prime is 667294202893. The reversal of 667294202880 is 88202492766.

667294202880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331821075 + ... + 331823085.

Almost surely, 2^667294202880 is an apocalyptic number.

667294202880 is a gapful number since it is divisible by the number (60) 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 667294202880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220742369600).

667294202880 is an abundant number, since it is smaller than the sum of its proper divisors (1774190536320).

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

667294202880 is a wasteful number, since it uses less digits than its factorization.

667294202880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 667294202880 in words is "six hundred sixty-seven billion, two hundred ninety-four million, two hundred two thousand, eight hundred eighty".