313244643666 has 16 divisors (see below), whose sum is σ = 631271649888. Its totient is φ = 103617820800.

The previous prime is 313244643611. The next prime is 313244643683. The reversal of 313244643666 is 666346442313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199264255 + ... + 199265826.

It is an arithmetic number, because the mean of its divisors is an integer number (39454478118).

Almost surely, 2^313244643666 is an apocalyptic number.

313244643666 is an abundant number, since it is smaller than the sum of its proper divisors (318027006222).

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

313244643666 is a wasteful number, since it uses less digits than its factorization.

313244643666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398530217.

The product of its digits is 4478976, while the sum is 48.

The spelling of 313244643666 in words is "three hundred thirteen billion, two hundred forty-four million, six hundred forty-three thousand, six hundred sixty-six".