14166349276638 has 128 divisors (see below), whose sum is σ = 31448454266880. Its totient is φ = 4225971087360.

The previous prime is 14166349276609. The next prime is 14166349276657. The reversal of 14166349276638 is 83667294366141.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2767403043 + ... + 2767408161.

It is an arithmetic number, because the mean of its divisors is an integer number (245691048960).

Almost surely, 2^{14166349276638} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14166349276638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724227133440).

14166349276638 is an abundant number, since it is smaller than the sum of its proper divisors (17282104990242).

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

14166349276638 is a wasteful number, since it uses less digits than its factorization.

14166349276638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402.

The product of its digits is 188116992, while the sum is 66.

The spelling of 14166349276638 in words is "fourteen trillion, one hundred sixty-six billion, three hundred forty-nine million, two hundred seventy-six thousand, six hundred thirty-eight".