16550612 has 12 divisors (see below), whose sum is σ = 31191636. Its totient is φ = 7638720.

The previous prime is 16550609. The next prime is 16550617. The reversal of 16550612 is 21605561.

It can be written as a sum of positive squares in 2 ways, for example, as 6791236 + 9759376 = 2606^2 + 3124^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16550617) 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 3 ways as a sum of consecutive naturals, for example, 159089 + ... + 159192.

It is an arithmetic number, because the mean of its divisors is an integer number (2599303).

Almost surely, 2^16550612 is an apocalyptic number.

It is an amenable number.

16550612 is a deficient number, since it is larger than the sum of its proper divisors (14641024).

16550612 is a wasteful number, since it uses less digits than its factorization.

16550612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318298 (or 318296 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 16550612 is about 4068.2443387781. The cubic root of 16550612 is about 254.8422040536.

The spelling of 16550612 in words is "sixteen million, five hundred fifty thousand, six hundred twelve".