66673455321000 has 512 divisors, whose sum is σ = 232407749283840. Its totient is φ = 15777776000000.

The previous prime is 66673455320959. The next prime is 66673455321073. The reversal of 66673455321000 is 12355437666.

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, 236502127 + ... + 236783873.

It is an arithmetic number, because the mean of its divisors is an integer number (453921385320).

Almost surely, 2^{66673455321000} is an apocalyptic number.

66673455321000 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 66673455321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116203874641920).

66673455321000 is an abundant number, since it is smaller than the sum of its proper divisors (165734293962840).

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

66673455321000 is a wasteful number, since it uses less digits than its factorization.

66673455321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281954 (or 281940 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 66673455321000 in words is "sixty-six trillion, six hundred seventy-three billion, four hundred fifty-five million, three hundred twenty-one thousand".