13666412430 has 96 divisors (see below), whose sum is σ = 38900684160. Its totient is φ = 3301295040.

The previous prime is 13666412413. The next prime is 13666412471. The reversal of 13666412430 is 3421466631.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 255781 + ... + 304559.

It is an arithmetic number, because the mean of its divisors is an integer number (405215460).

Almost surely, 2^13666412430 is an apocalyptic number.

13666412430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13666412430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19450342080).

13666412430 is an abundant number, since it is smaller than the sum of its proper divisors (25234271730).

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

13666412430 is a wasteful number, since it uses less digits than its factorization.

13666412430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49086 (or 49083 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 13666412430 in words is "thirteen billion, six hundred sixty-six million, four hundred twelve thousand, four hundred thirty".