66666330463 has 8 divisors (see below), whose sum is σ = 67095051680. Its totient is φ = 66238806240.

The previous prime is 66666330431. The next prime is 66666330469. The reversal of 66666330463 is 36403366666.

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

It is a cyclic number.

It is not a de Polignac number, because 66666330463 - 2⁵ = 66666330431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66666330469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187368 + ... + 410413.

It is an arithmetic number, because the mean of its divisors is an integer number (8386881460).

Almost surely, 2^66666330463 is an apocalyptic number.

66666330463 is a deficient number, since it is larger than the sum of its proper divisors (428721217).

66666330463 is a wasteful number, since it uses less digits than its factorization.

66666330463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598497.

The product of its (nonzero) digits is 5038848, while the sum is 49.

The spelling of 66666330463 in words is "sixty-six billion, six hundred sixty-six million, three hundred thirty thousand, four hundred sixty-three".