16534343 has 4 divisors (see below), whose sum is σ = 18896400. Its totient is φ = 14172288.

The previous prime is 16534339. The next prime is 16534363. The reversal of 16534343 is 34343561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16534343 - 2² = 16534339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181018 + ... + 1181031.

It is an arithmetic number, because the mean of its divisors is an integer number (4724100).

Almost surely, 2^16534343 is an apocalyptic number.

16534343 is a deficient number, since it is larger than the sum of its proper divisors (2362057).

16534343 is an equidigital number, since it uses as much as digits as its factorization.

16534343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362056.

The product of its digits is 12960, while the sum is 29.

The square root of 16534343 is about 4066.2443359936. The cubic root of 16534343 is about 254.7586746741.

The spelling of 16534343 in words is "sixteen million, five hundred thirty-four thousand, three hundred forty-three".