66831114452 has 24 divisors (see below), whose sum is σ = 123801031200. Its totient is φ = 31512985056.

The previous prime is 66831114443. The next prime is 66831114457. The reversal of 66831114452 is 25441113866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66831114457) 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, 6694202 + ... + 6704177.

It is an arithmetic number, because the mean of its divisors is an integer number (5158376300).

Almost surely, 2^66831114452 is an apocalyptic number.

It is an amenable number.

66831114452 is a deficient number, since it is larger than the sum of its proper divisors (56969916748).

66831114452 is a wasteful number, since it uses less digits than its factorization.

66831114452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398455 (or 13398453 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The spelling of 66831114452 in words is "sixty-six billion, eight hundred thirty-one million, one hundred fourteen thousand, four hundred fifty-two".