16090447 has 4 divisors (see below), whose sum is σ = 16645320. Its totient is φ = 15535576.

The previous prime is 16090433. The next prime is 16090453. The reversal of 16090447 is 74409061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74409061 = 67 ⋅1110583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16090447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16090427) 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, 277393 + ... + 277450.

It is an arithmetic number, because the mean of its divisors is an integer number (4161330).

Almost surely, 2^16090447 is an apocalyptic number.

16090447 is a deficient number, since it is larger than the sum of its proper divisors (554873).

16090447 is an equidigital number, since it uses as much as digits as its factorization.

16090447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554872.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16090447 is about 4011.2899421508. The cubic root of 16090447 is about 252.4581350713.

The spelling of 16090447 in words is "sixteen million, ninety thousand, four hundred forty-seven".