16290086 has 4 divisors (see below), whose sum is σ = 24435132. Its totient is φ = 8145042.

The previous prime is 16290073. The next prime is 16290089. The reversal of 16290086 is 68009261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68009261 = 89 ⋅764149.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290089) 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, 4072520 + ... + 4072523.

It is an arithmetic number, because the mean of its divisors is an integer number (6108783).

Almost surely, 2^16290086 is an apocalyptic number.

16290086 is a deficient number, since it is larger than the sum of its proper divisors (8145046).

16290086 is an equidigital number, since it uses as much as digits as its factorization.

16290086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145045.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16290086 is about 4036.0978679908. The cubic root of 16290086 is about 253.4979543294.

The spelling of 16290086 in words is "sixteen million, two hundred ninety thousand, eighty-six".