667882700032 has 144 divisors (see below), whose sum is σ = 1387980849024. Its totient is φ = 320495616000.

The previous prime is 667882700021. The next prime is 667882700041. The reversal of 667882700032 is 230007288766.

It is a congruent number.

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, 514943608 + ... + 514944904.

It is an arithmetic number, because the mean of its divisors is an integer number (9638755896).

Almost surely, 2^667882700032 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 667882700032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693990424512).

667882700032 is an abundant number, since it is smaller than the sum of its proper divisors (720098148992).

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

667882700032 is a wasteful number, since it uses less digits than its factorization.

667882700032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

Adding to 667882700032 its reverse (230007288766), we get a palindrome (897889988798).

The spelling of 667882700032 in words is "six hundred sixty-seven billion, eight hundred eighty-two million, seven hundred thousand, thirty-two".