16533134 has 4 divisors (see below), whose sum is σ = 24799704. Its totient is φ = 8266566.

The previous prime is 16533133. The next prime is 16533149. The reversal of 16533134 is 43133561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16533133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133282 + ... + 4133285.

It is an arithmetic number, because the mean of its divisors is an integer number (6199926).

Almost surely, 2^16533134 is an apocalyptic number.

16533134 is a deficient number, since it is larger than the sum of its proper divisors (8266570).

16533134 is an equidigital number, since it uses as much as digits as its factorization.

16533134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266569.

The product of its digits is 3240, while the sum is 26.

The square root of 16533134 is about 4066.0956702960. The cubic root of 16533134 is about 254.7524651593.

Adding to 16533134 its reverse (43133561), we get a palindrome (59666695).

The spelling of 16533134 in words is "sixteen million, five hundred thirty-three thousand, one hundred thirty-four".