16290452 has 6 divisors (see below), whose sum is σ = 28508298. Its totient is φ = 8145224.

The previous prime is 16290433. The next prime is 16290457. The reversal of 16290452 is 25409261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16289296 + 1156 = 4036^2 + 34^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036303 + ... + 2036310.

It is an arithmetic number, because the mean of its divisors is an integer number (4751383).

Almost surely, 2^16290452 is an apocalyptic number.

It is an amenable number.

16290452 is a deficient number, since it is larger than the sum of its proper divisors (12217846).

16290452 is a wasteful number, since it uses less digits than its factorization.

16290452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072617 (or 4072615 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16290452 is about 4036.1432085594. The cubic root of 16290452 is about 253.4998528166.

The spelling of 16290452 in words is "sixteen million, two hundred ninety thousand, four hundred fifty-two".