66333650382 has 16 divisors (see below), whose sum is σ = 147408112080. Its totient is φ = 22111216776.

The previous prime is 66333650371. The next prime is 66333650399. The reversal of 66333650382 is 28305633366.

66333650382 is a `hidden beast` number, since 6 + 6 + 33 + 36 + 503 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614200413 + ... + 614200520.

It is an arithmetic number, because the mean of its divisors is an integer number (9213007005).

Almost surely, 2^66333650382 is an apocalyptic number.

66333650382 is an abundant number, since it is smaller than the sum of its proper divisors (81074461698).

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

66333650382 is a wasteful number, since it uses less digits than its factorization.

66333650382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228400944 (or 1228400938 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 66333650382 in words is "sixty-six billion, three hundred thirty-three million, six hundred fifty thousand, three hundred eighty-two".