66382434351 has 6 divisors (see below), whose sum is σ = 95885738520. Its totient is φ = 44254956228.

The previous prime is 66382434347. The next prime is 66382434353. The reversal of 66382434351 is 15343428366.

66382434351 is a `hidden beast` number, since 6 + 638 + 2 + 4 + 3 + 4 + 3 + 5 + 1 = 666.

It is not a de Polignac number, because 66382434351 - 2² = 66382434347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66382434297 and 66382434306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66382434353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3687913011 + ... + 3687913028.

It is an arithmetic number, because the mean of its divisors is an integer number (15980956420).

Almost surely, 2^66382434351 is an apocalyptic number.

66382434351 is a deficient number, since it is larger than the sum of its proper divisors (29503304169).

66382434351 is a wasteful number, since it uses less digits than its factorization.

66382434351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375826045 (or 7375826042 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 66382434351 in words is "sixty-six billion, three hundred eighty-two million, four hundred thirty-four thousand, three hundred fifty-one".