16429143 has 4 divisors (see below), whose sum is σ = 21905528. Its totient is φ = 10952760.

The previous prime is 16429141. The next prime is 16429169. The reversal of 16429143 is 34192461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34192461 = 3 ⋅11397487.

It is not a de Polignac number, because 16429143 - 2¹ = 16429141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16429143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16429141) 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, 2738188 + ... + 2738193.

It is an arithmetic number, because the mean of its divisors is an integer number (5476382).

Almost surely, 2^16429143 is an apocalyptic number.

16429143 is a deficient number, since it is larger than the sum of its proper divisors (5476385).

16429143 is an equidigital number, since it uses as much as digits as its factorization.

16429143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476384.

The product of its digits is 5184, while the sum is 30.

The square root of 16429143 is about 4053.2879246360. The cubic root of 16429143 is about 254.2172227779.

The spelling of 16429143 in words is "sixteen million, four hundred twenty-nine thousand, one hundred forty-three".