16143102732013 has 8 divisors (see below), whose sum is σ = 16700338945080. Its totient is φ = 15585905018880.

The previous prime is 16143102732011. The next prime is 16143102732079. The reversal of 16143102732013 is 31023720134161.

It can be written as a sum of positive squares in 4 ways, for example, as 12334410913444 + 3808691818569 = 3512038^2 + 1951587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16143102732013 - 2¹ = 16143102732011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16143102732013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16143102732011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8770620 + ... + 10450357.

It is an arithmetic number, because the mean of its divisors is an integer number (2087542368135).

Almost surely, 2^{16143102732013} is an apocalyptic number.

It is an amenable number.

16143102732013 is a deficient number, since it is larger than the sum of its proper divisors (557236213067).

16143102732013 is a wasteful number, since it uses less digits than its factorization.

16143102732013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19249967.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 16143102732013 its reverse (31023720134161), we get a palindrome (47166822866174).

The spelling of 16143102732013 in words is "sixteen trillion, one hundred forty-three billion, one hundred two million, seven hundred thirty-two thousand, thirteen".