66204650214 has 64 divisors (see below), whose sum is σ = 148305530880. Its totient is φ = 21890848320.

The previous prime is 66204650207. The next prime is 66204650231. The reversal of 66204650214 is 41205640266.

66204650214 is a `hidden beast` number, since 6 + 620 + 4 + 6 + 5 + 0 + 21 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13839267 + ... + 13844049.

It is an arithmetic number, because the mean of its divisors is an integer number (2317273920).

Almost surely, 2^66204650214 is an apocalyptic number.

66204650214 is an abundant number, since it is smaller than the sum of its proper divisors (82100880666).

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

66204650214 is a wasteful number, since it uses less digits than its factorization.

66204650214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802 (or 6796 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 66204650214 in words is "sixty-six billion, two hundred four million, six hundred fifty thousand, two hundred fourteen".