66196096072704 has 880 divisors, whose sum is σ = 217716421218912. Its totient is φ = 19908248076288.

The previous prime is 66196096072669. The next prime is 66196096072727. The reversal of 66196096072704 is 40727069069166.

66196096072704 is a `hidden beast` number, since 6 + 6 + 19 + 6 + 0 + 9 + 607 + 2 + 7 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16172999682 + ... + 16173003774.

Almost surely, 2^{66196096072704} is an apocalyptic number.

66196096072704 is a gapful number since it is divisible by the number (64) 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 66196096072704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108858210609456).

66196096072704 is an abundant number, since it is smaller than the sum of its proper divisors (151520325146208).

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

66196096072704 is a wasteful number, since it uses less digits than its factorization.

66196096072704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 66196096072704 in words is "sixty-six trillion, one hundred ninety-six billion, ninety-six million, seventy-two thousand, seven hundred four".