16552118 has 16 divisors (see below), whose sum is σ = 28679184. Its totient is φ = 7080960.

The previous prime is 16552117. The next prime is 16552147. The reversal of 16552118 is 81125561.

It is a super-2 number, since 2×16552118² = 547945220571848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552117) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 21755 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (1792449).

Almost surely, 2^16552118 is an apocalyptic number.

16552118 is a deficient number, since it is larger than the sum of its proper divisors (12127066).

16552118 is a wasteful number, since it uses less digits than its factorization.

16552118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44287.

The product of its digits is 2400, while the sum is 29.

The square root of 16552118 is about 4068.4294266953. The cubic root of 16552118 is about 254.8499334903.

Adding to 16552118 its reverse (81125561), we get a palindrome (97677679).

It can be divided in two parts, 1655 and 2118, that added together give a palindrome (3773).

The spelling of 16552118 in words is "sixteen million, five hundred fifty-two thousand, one hundred eighteen".