666849230355 has 64 divisors (see below), whose sum is σ = 1408483427328. Its totient is φ = 260830248960.

The previous prime is 666849230353. The next prime is 666849230371. The reversal of 666849230355 is 553032948666.

It is not a de Polignac number, because 666849230355 - 2¹ = 666849230353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666849230295 and 666849230304.

It is not an unprimeable number, because it can be changed into a prime (666849230353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16961502 + ... + 17000771.

It is an arithmetic number, because the mean of its divisors is an integer number (22007553552).

Almost surely, 2^666849230355 is an apocalyptic number.

666849230355 is an abundant number, since it is smaller than the sum of its proper divisors (741634196973).

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

666849230355 is a wasteful number, since it uses less digits than its factorization.

666849230355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33962316.

The product of its (nonzero) digits is 27993600, while the sum is 57.

The spelling of 666849230355 in words is "six hundred sixty-six billion, eight hundred forty-nine million, two hundred thirty thousand, three hundred fifty-five".