66114883800 has 192 divisors, whose sum is σ = 260261913600. Its totient is φ = 15111964800.

The previous prime is 66114883789. The next prime is 66114883801. The reversal of 66114883800 is 838841166.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66114883801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836736 + ... + 912335.

It is an arithmetic number, because the mean of its divisors is an integer number (1355530800).

Almost surely, 2^66114883800 is an apocalyptic number.

66114883800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66114883800 is an abundant number, since it is smaller than the sum of its proper divisors (194147029800).

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

66114883800 is a wasteful number, since it uses less digits than its factorization.

66114883800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749103 (or 1749088 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 66114883800 in words is "sixty-six billion, one hundred fourteen million, eight hundred eighty-three thousand, eight hundred".