16590122 has 4 divisors (see below), whose sum is σ = 24885186. Its totient is φ = 8295060.

The previous prime is 16590103. The next prime is 16590139. The reversal of 16590122 is 22109561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 900601 = 3961^2 + 949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16590091 and 16590100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4147529 + ... + 4147532.

Almost surely, 2^16590122 is an apocalyptic number.

16590122 is a deficient number, since it is larger than the sum of its proper divisors (8295064).

16590122 is an equidigital number, since it uses as much as digits as its factorization.

16590122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295063.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16590122 is about 4073.0973472285. The cubic root of 16590122 is about 255.0448312822.

Adding to 16590122 its reverse (22109561), we get a palindrome (38699683).

The spelling of 16590122 in words is "sixteen million, five hundred ninety thousand, one hundred twenty-two".