16552801 has 16 divisors (see below), whose sum is σ = 18123264. Its totient is φ = 15073344.

The previous prime is 16552787. The next prime is 16552829. The reversal of 16552801 is 10825561.

It is a cyclic number.

It is not a de Polignac number, because 16552801 - 2⁵ = 16552769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16552801.

It is not an unprimeable number, because it can be changed into a prime (16552831) 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 15 ways as a sum of consecutive naturals, for example, 44920 + ... + 45286.

It is an arithmetic number, because the mean of its divisors is an integer number (1132704).

Almost surely, 2^16552801 is an apocalyptic number.

It is an amenable number.

16552801 is a deficient number, since it is larger than the sum of its proper divisors (1570463).

16552801 is a wasteful number, since it uses less digits than its factorization.

16552801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 16552801 is about 4068.5133648545. The cubic root of 16552801 is about 254.8534387841.

The spelling of 16552801 in words is "sixteen million, five hundred fifty-two thousand, eight hundred one".