66708370323 has 12 divisors (see below), whose sum is σ = 110121754288. Its totient is φ = 38119068720.

The previous prime is 66708370247. The next prime is 66708370327. The reversal of 66708370323 is 32307380766.

It is not a de Polignac number, because 66708370323 - 2²¹ = 66706273171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66708370327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529431448 + ... + 529431573.

Almost surely, 2^66708370323 is an apocalyptic number.

66708370323 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

66708370323 is a deficient number, since it is larger than the sum of its proper divisors (43413383965).

66708370323 is a wasteful number, since it uses less digits than its factorization.

66708370323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058863034 (or 1058863031 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 66708370323 in words is "sixty-six billion, seven hundred eight million, three hundred seventy thousand, three hundred twenty-three".