16147443 has 12 divisors (see below), whose sum is σ = 23314200. Its totient is φ = 9936576.

The previous prime is 16147441. The next prime is 16147451. The reversal of 16147443 is 34474161.

It is not a de Polignac number, because 16147443 - 2¹ = 16147441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16147443.

It is not an unprimeable number, because it can be changed into a prime (16147441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15418 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (1942850).

Almost surely, 2^16147443 is an apocalyptic number.

16147443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16147443 is a deficient number, since it is larger than the sum of its proper divisors (7166757).

16147443 is a wasteful number, since it uses less digits than its factorization.

16147443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31878 (or 31865 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 16147443 is about 4018.3881096778. The cubic root of 16147443 is about 252.7558717222.

The spelling of 16147443 in words is "sixteen million, one hundred forty-seven thousand, four hundred forty-three".