66922473263360 has 1152 divisors, whose sum is σ = 200099325888000. Its totient is φ = 21104940810240.

The previous prime is 66922473263341. The next prime is 66922473263381. The reversal of 66922473263360 is 6336237422966.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66922473263360.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102484644794 + ... + 102484645446.

It is an arithmetic number, because the mean of its divisors is an integer number (173697331500).

Almost surely, 2^{66922473263360} 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 66922473263360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100049662944000).

66922473263360 is an abundant number, since it is smaller than the sum of its proper divisors (133176852624640).

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

66922473263360 is a wasteful number, since it uses less digits than its factorization.

66922473263360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 59.

The spelling of 66922473263360 in words is "sixty-six trillion, nine hundred twenty-two billion, four hundred seventy-three million, two hundred sixty-three thousand, three hundred sixty".