66367042560 has 2112 divisors, whose sum is σ = 321886656000. Its totient is φ = 12485394432.

The previous prime is 66367042559. The next prime is 66367042589. The reversal of 66367042560 is 6524076366.

66367042560 is a `hidden beast` number, since 6 + 636 + 7 + 0 + 4 + 2 + 5 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3493002231 + ... + 3493002249.

Almost surely, 2^66367042560 is an apocalyptic number.

66367042560 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 66367042560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160943328000).

66367042560 is an abundant number, since it is smaller than the sum of its proper divisors (255519613440).

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

66367042560 is a wasteful number, since it uses less digits than its factorization.

66367042560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 66367042560 in words is "sixty-six billion, three hundred sixty-seven million, forty-two thousand, five hundred sixty".