16590145 has 16 divisors (see below), whose sum is σ = 23389632. Its totient is φ = 11136960.

The previous prime is 16590139. The next prime is 16590149. The reversal of 16590145 is 54109561.

16590145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16590145 - 2⁷ = 16590017 is a prime.

It is a super-2 number, since 2×16590145² = 550465822242050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16590149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10887 + ... + 12316.

It is an arithmetic number, because the mean of its divisors is an integer number (1461852).

Almost surely, 2^16590145 is an apocalyptic number.

It is an amenable number.

16590145 is a deficient number, since it is larger than the sum of its proper divisors (6799487).

16590145 is a wasteful number, since it uses less digits than its factorization.

16590145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23232.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 16590145 is about 4073.1001706317. The cubic root of 16590145 is about 255.0449491441.

The spelling of 16590145 in words is "sixteen million, five hundred ninety thousand, one hundred forty-five".