16485437 has 4 divisors (see below), whose sum is σ = 16519776. Its totient is φ = 16451100.

The previous prime is 16485373. The next prime is 16485451. The reversal of 16485437 is 73458461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73458461 = 277 ⋅265193.

It is a cyclic number.

It is not a de Polignac number, because 16485437 - 2⁶ = 16485373 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 16485437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16485037) 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, 16439 + ... + 17412.

It is an arithmetic number, because the mean of its divisors is an integer number (4129944).

Almost surely, 2^16485437 is an apocalyptic number.

It is an amenable number.

16485437 is a deficient number, since it is larger than the sum of its proper divisors (34339).

16485437 is an equidigital number, since it uses as much as digits as its factorization.

16485437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34338.

The product of its digits is 80640, while the sum is 38.

The square root of 16485437 is about 4060.2262252244. The cubic root of 16485437 is about 254.5072478486.

The spelling of 16485437 in words is "sixteen million, four hundred eighty-five thousand, four hundred thirty-seven".