666200235745 has 32 divisors (see below), whose sum is σ = 877110094080. Its totient is φ = 481738333440.

The previous prime is 666200235739. The next prime is 666200235761. The reversal of 666200235745 is 547532002666.

666200235745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666200235745 - 2¹⁵ = 666200202977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666200235695 and 666200235704.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17457796 + ... + 17495914.

It is an arithmetic number, because the mean of its divisors is an integer number (27409690440).

Almost surely, 2^666200235745 is an apocalyptic number.

It is an amenable number.

666200235745 is a deficient number, since it is larger than the sum of its proper divisors (210909858335).

666200235745 is a wasteful number, since it uses less digits than its factorization.

666200235745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 666200235745 in words is "six hundred sixty-six billion, two hundred million, two hundred thirty-five thousand, seven hundred forty-five".