16551364 has 12 divisors (see below), whose sum is σ = 29126188. Its totient is φ = 8229600.

The previous prime is 16551361. The next prime is 16551377. The reversal of 16551364 is 46315561.

It can be written as a sum of positive squares in 2 ways, for example, as 7064964 + 9486400 = 2658^2 + 3080^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16551361) 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, 10707 + ... + 12154.

Almost surely, 2^16551364 is an apocalyptic number.

It is an amenable number.

16551364 is a deficient number, since it is larger than the sum of its proper divisors (12574824).

16551364 is a wasteful number, since it uses less digits than its factorization.

16551364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23046 (or 23044 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 16551364 is about 4068.3367608889. The cubic root of 16551364 is about 254.8460636981.

It can be divided in two parts, 165 and 51364, that added together give a square (51529 = 227²).

The spelling of 16551364 in words is "sixteen million, five hundred fifty-one thousand, three hundred sixty-four".