66372627901440 has 1056 divisors, whose sum is σ = 255745881135360. Its totient is φ = 14638951563264.

The previous prime is 66372627901423. The next prime is 66372627901451. The reversal of 66372627901440 is 4410972627366.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2686159806 + ... + 2686184514.

It is an arithmetic number, because the mean of its divisors is an integer number (242183599560).

Almost surely, 2^{66372627901440} is an apocalyptic number.

66372627901440 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 66372627901440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127872940567680).

66372627901440 is an abundant number, since it is smaller than the sum of its proper divisors (189373253233920).

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

66372627901440 is a wasteful number, since it uses less digits than its factorization.

66372627901440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24877 (or 24852 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 57.

The spelling of 66372627901440 in words is "sixty-six trillion, three hundred seventy-two billion, six hundred twenty-seven million, nine hundred one thousand, four hundred forty".