66281654414 has 8 divisors (see below), whose sum is σ = 99659768040. Its totient is φ = 33061731736.

The previous prime is 66281654401. The next prime is 66281654447. The reversal of 66281654414 is 41445618266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39546689 + ... + 39548364.

It is an arithmetic number, because the mean of its divisors is an integer number (12457471005).

Almost surely, 2^66281654414 is an apocalyptic number.

66281654414 is a deficient number, since it is larger than the sum of its proper divisors (33378113626).

66281654414 is a wasteful number, since it uses less digits than its factorization.

66281654414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79095474.

The product of its digits is 1105920, while the sum is 47.

The spelling of 66281654414 in words is "sixty-six billion, two hundred eighty-one million, six hundred fifty-four thousand, four hundred fourteen".