14163321666 has 16 divisors (see below), whose sum is σ = 30505616064. Its totient is φ = 4357945104.

The previous prime is 14163321647. The next prime is 14163321691. The reversal of 14163321666 is 66612336141.

It is a super-2 number, since 2×14163321666² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 90790446 + ... + 90790601.

It is an arithmetic number, because the mean of its divisors is an integer number (1906601004).

Almost surely, 2^14163321666 is an apocalyptic number.

14163321666 is an abundant number, since it is smaller than the sum of its proper divisors (16342294398).

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

14163321666 is a wasteful number, since it uses less digits than its factorization.

14163321666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181581065.

The product of its digits is 93312, while the sum is 39.

The spelling of 14163321666 in words is "fourteen billion, one hundred sixty-three million, three hundred twenty-one thousand, six hundred sixty-six".