66882359895 has 96 divisors (see below), whose sum is σ = 123104282112. Its totient is φ = 30815195904.

The previous prime is 66882359881. The next prime is 66882359941. The reversal of 66882359895 is 59895328866.

It is not a de Polignac number, because 66882359895 - 2¹⁰ = 66882358871 is a prime.

It is a super-2 number, since 2×66882359895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5837062 + ... + 5848508.

It is an arithmetic number, because the mean of its divisors is an integer number (1282336272).

Almost surely, 2^66882359895 is an apocalyptic number.

66882359895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66882359895 is a deficient number, since it is larger than the sum of its proper divisors (56221922217).

66882359895 is a wasteful number, since it uses less digits than its factorization.

66882359895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589 (or 11570 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 69.

The spelling of 66882359895 in words is "sixty-six billion, eight hundred eighty-two million, three hundred fifty-nine thousand, eight hundred ninety-five".