66831933214996 has 24 divisors (see below), whose sum is σ = 118573917002240. Its totient is φ = 32953793982912.

The previous prime is 66831933214979. The next prime is 66831933215077. The reversal of 66831933214996 is 69941233913866.

It is a happy number.

It is a congruent number.

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, 13164276 + ... + 17520331.

Almost surely, 2^{66831933214996} is an apocalyptic number.

It is an amenable number.

66831933214996 is a deficient number, since it is larger than the sum of its proper divisors (51741983787244).

66831933214996 is a wasteful number, since it uses less digits than its factorization.

66831933214996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30692143 (or 30692141 counting only the distinct ones).

The product of its digits is 272097792, while the sum is 70.

The spelling of 66831933214996 in words is "sixty-six trillion, eight hundred thirty-one billion, nine hundred thirty-three million, two hundred fourteen thousand, nine hundred ninety-six".