66252927312 has 240 divisors, whose sum is σ = 219953505408. Its totient is φ = 18351774720.

The previous prime is 66252927281. The next prime is 66252927361. The reversal of 66252927312 is 21372925266.

66252927312 is a `hidden beast` number, since 6 + 625 + 2 + 9 + 2 + 7 + 3 + 12 = 666.

It is a congruent number.

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, 2105358 + ... + 2136594.

Almost surely, 2^66252927312 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 66252927312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109976752704).

66252927312 is an abundant number, since it is smaller than the sum of its proper divisors (153700578096).

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

66252927312 is a wasteful number, since it uses less digits than its factorization.

66252927312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378 (or 31369 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 66252927312 in words is "sixty-six billion, two hundred fifty-two million, nine hundred twenty-seven thousand, three hundred twelve".