1386956789166 has 128 divisors (see below), whose sum is σ = 3143748464640. Its totient is φ = 404951040000.

The previous prime is 1386956789159. The next prime is 1386956789167. The reversal of 1386956789166 is 6619876596831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386956789167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 416626990 + ... + 416630318.

It is an arithmetic number, because the mean of its divisors is an integer number (24560534880).

Almost surely, 2^{1386956789166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386956789166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571874232320).

1386956789166 is an abundant number, since it is smaller than the sum of its proper divisors (1756791675474).

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

1386956789166 is a wasteful number, since it uses less digits than its factorization.

1386956789166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682.

The product of its digits is 705438720, while the sum is 75.

The spelling of 1386956789166 in words is "one trillion, three hundred eighty-six billion, nine hundred fifty-six million, seven hundred eighty-nine thousand, one hundred sixty-six".