66344867364 has 24 divisors (see below), whose sum is σ = 154817548480. Its totient is φ = 22113118944.

The previous prime is 66344867357. The next prime is 66344867383. The reversal of 66344867364 is 46376844366.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74944 + ... + 371895.

Almost surely, 2^66344867364 is an apocalyptic number.

It is an amenable number.

66344867364 is an abundant number, since it is smaller than the sum of its proper divisors (88472681116).

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

66344867364 is a wasteful number, since it uses less digits than its factorization.

66344867364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459219 (or 459217 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 57.

The spelling of 66344867364 in words is "sixty-six billion, three hundred forty-four million, eight hundred sixty-seven thousand, three hundred sixty-four".