16343245140 has 96 divisors (see below), whose sum is σ = 46971187200. Its totient is φ = 4243890816.

The previous prime is 16343245129. The next prime is 16343245147. The reversal of 16343245140 is 4154234361.

It is a happy number.

It is a super-2 number, since 2×16343245140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343245147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546619 + ... + 575741.

It is an arithmetic number, because the mean of its divisors is an integer number (489283200).

Almost surely, 2^16343245140 is an apocalyptic number.

16343245140 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 16343245140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23485593600).

16343245140 is an abundant number, since it is smaller than the sum of its proper divisors (30627942060).

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

16343245140 is a wasteful number, since it uses less digits than its factorization.

16343245140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29381 (or 29379 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 16343245140 in words is "sixteen billion, three hundred forty-three million, two hundred forty-five thousand, one hundred forty".