66752200076212 has 96 divisors (see below), whose sum is σ = 142599050496000. Its totient is φ = 26723839403520.

The previous prime is 66752200076209. The next prime is 66752200076281. The reversal of 66752200076212 is 21267000225766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100078714 + ... + 100743502.

It is an arithmetic number, because the mean of its divisors is an integer number (1485406776000).

Almost surely, 2^{66752200076212} is an apocalyptic number.

66752200076212 is a gapful number since it is divisible by the number (62) 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 66752200076212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71299525248000).

66752200076212 is an abundant number, since it is smaller than the sum of its proper divisors (75846850419788).

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

66752200076212 is a wasteful number, since it uses less digits than its factorization.

66752200076212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668849 (or 668847 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 66752200076212 in words is "sixty-six trillion, seven hundred fifty-two billion, two hundred million, seventy-six thousand, two hundred twelve".