66883685753 has 32 divisors (see below), whose sum is σ = 72200160000. Its totient is φ = 61771127040.

The previous prime is 66883685723. The next prime is 66883685773. The reversal of 66883685753 is 35758638866.

66883685753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 66883685753 - 2⁶ = 66883685689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66883685753.

It is not an unprimeable number, because it can be changed into a prime (66883685723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54068651 + ... + 54069887.

It is an arithmetic number, because the mean of its divisors is an integer number (2256255000).

Almost surely, 2^66883685753 is an apocalyptic number.

It is an amenable number.

66883685753 is a deficient number, since it is larger than the sum of its proper divisors (5316474247).

66883685753 is a wasteful number, since it uses less digits than its factorization.

66883685753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its digits is 174182400, while the sum is 65.

The spelling of 66883685753 in words is "sixty-six billion, eight hundred eighty-three million, six hundred eighty-five thousand, seven hundred fifty-three".