16532789 has 16 divisors (see below), whose sum is σ = 21547008. Its totient is φ = 12310272.

The previous prime is 16532783. The next prime is 16532797. The reversal of 16532789 is 98723561.

It is not a de Polignac number, because 16532789 - 2⁴ = 16532773 is a prime.

It is a super-2 number, since 2×16532789² = 546666224237042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16532783) 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 in 15 ways as a sum of consecutive naturals, for example, 3797 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (1346688).

Almost surely, 2^16532789 is an apocalyptic number.

It is an amenable number.

16532789 is a deficient number, since it is larger than the sum of its proper divisors (5014219).

16532789 is a wasteful number, since it uses less digits than its factorization.

16532789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724.

The product of its digits is 90720, while the sum is 41.

The square root of 16532789 is about 4066.0532460852. The cubic root of 16532789 is about 254.7506931578.

The spelling of 16532789 in words is "sixteen million, five hundred thirty-two thousand, seven hundred eighty-nine".