163446666334 has 32 divisors (see below), whose sum is σ = 281157304320. Its totient is φ = 69808122432.

The previous prime is 163446666293. The next prime is 163446666349. The reversal of 163446666334 is 433666644361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6846082 + ... + 6869914.

It is an arithmetic number, because the mean of its divisors is an integer number (8786165760).

Almost surely, 2^163446666334 is an apocalyptic number.

163446666334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163446666334 is a deficient number, since it is larger than the sum of its proper divisors (117710637986).

163446666334 is a wasteful number, since it uses less digits than its factorization.

163446666334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25504.

The product of its digits is 13436928, while the sum is 52.

The spelling of 163446666334 in words is "one hundred sixty-three billion, four hundred forty-six million, six hundred sixty-six thousand, three hundred thirty-four".