16140421343 has 8 divisors (see below), whose sum is σ = 16667126400. Its totient is φ = 15614094240.

The previous prime is 16140421307. The next prime is 16140421351. The reversal of 16140421343 is 34312404161.

It is a happy number.

16140421343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16140421343 - 2¹⁸ = 16140159199 is a prime.

It is a super-2 number, since 2×16140421343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140427343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6368 + ... + 179781.

It is an arithmetic number, because the mean of its divisors is an integer number (2083390800).

Almost surely, 2^16140421343 is an apocalyptic number.

16140421343 is a deficient number, since it is larger than the sum of its proper divisors (526705057).

16140421343 is a wasteful number, since it uses less digits than its factorization.

16140421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188977.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 16140421343 in words is "sixteen billion, one hundred forty million, four hundred twenty-one thousand, three hundred forty-three".