66670363200 has 336 divisors, whose sum is σ = 253512059904. Its totient is φ = 15023769600.

The previous prime is 66670363183. The next prime is 66670363213. The reversal of 66670363200 is 236307666.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2371627 + ... + 2399573.

Almost surely, 2^66670363200 is an apocalyptic number.

66670363200 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 66670363200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126756029952).

66670363200 is an abundant number, since it is smaller than the sum of its proper divisors (186841696704).

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

66670363200 is a wasteful number, since it uses less digits than its factorization.

66670363200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28050 (or 28035 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 66670363200 in words is "sixty-six billion, six hundred seventy million, three hundred sixty-three thousand, two hundred".