14165231640 has 192 divisors, whose sum is σ = 52342005600. Its totient is φ = 3047288832.

The previous prime is 14165231617. The next prime is 14165231683. The reversal of 14165231640 is 4613256141.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29106 + ... + 170814.

Almost surely, 2^14165231640 is an apocalyptic number.

14165231640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14165231640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26171002800).

14165231640 is an abundant number, since it is smaller than the sum of its proper divisors (38176773960).

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

14165231640 is a wasteful number, since it uses less digits than its factorization.

14165231640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141754 (or 141743 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 14165231640 its reverse (4613256141), we get a palindrome (18778487781).

The spelling of 14165231640 in words is "fourteen billion, one hundred sixty-five million, two hundred thirty-one thousand, six hundred forty".