16531034 has 8 divisors (see below), whose sum is σ = 26704020. Its totient is φ = 7629696.

The previous prime is 16530989. The next prime is 16531037. The reversal of 16531034 is 43013561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 555025 = 3997^2 + 745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16531037) 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, 317879 + ... + 317930.

Almost surely, 2^16531034 is an apocalyptic number.

16531034 is a deficient number, since it is larger than the sum of its proper divisors (10172986).

16531034 is a wasteful number, since it uses less digits than its factorization.

16531034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635824.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 16531034 is about 4065.8374291159. The cubic root of 16531034 is about 254.7416786818.

Adding to 16531034 its reverse (43013561), we get a palindrome (59544595).

The spelling of 16531034 in words is "sixteen million, five hundred thirty-one thousand, thirty-four".