166318326368 has 24 divisors (see below), whose sum is σ = 327647731320. Its totient is φ = 83106204160.

The previous prime is 166318326353. The next prime is 166318326539. The reversal of 166318326368 is 863623813661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603913 + ... + 1704456.

It is an arithmetic number, because the mean of its divisors is an integer number (13651988805).

Almost surely, 2^166318326368 is an apocalyptic number.

It is an amenable number.

166318326368 is a deficient number, since it is larger than the sum of its proper divisors (161329404952).

166318326368 is a wasteful number, since it uses less digits than its factorization.

166318326368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309950 (or 3309942 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The spelling of 166318326368 in words is "one hundred sixty-six billion, three hundred eighteen million, three hundred twenty-six thousand, three hundred sixty-eight".