16343662431 has 8 divisors (see below), whose sum is σ = 21853283760. Its totient is φ = 10864908032.

The previous prime is 16343662403. The next prime is 16343662457. The reversal of 16343662431 is 13426634361.

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 16343662431 - 2⁵ = 16343662399 is a prime.

It is a super-2 number, since 2×16343662431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16343662431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343662831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7715496 + ... + 7717613.

It is an arithmetic number, because the mean of its divisors is an integer number (2731660470).

Almost surely, 2^16343662431 is an apocalyptic number.

16343662431 is a deficient number, since it is larger than the sum of its proper divisors (5509621329).

16343662431 is a wasteful number, since it uses less digits than its factorization.

16343662431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433465.

The product of its digits is 186624, while the sum is 39.

The spelling of 16343662431 in words is "sixteen billion, three hundred forty-three million, six hundred sixty-two thousand, four hundred thirty-one".