16655080 has 32 divisors (see below), whose sum is σ = 40357800. Its totient is φ = 6149376.

The previous prime is 16655047. The next prime is 16655081. The reversal of 16655080 is 8055661.

It can be written as a sum of positive squares in 4 ways, for example, as 4502884 + 12152196 = 2122^2 + 3486^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16655081) 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, 15495 + ... + 16534.

Almost surely, 2^16655080 is an apocalyptic number.

16655080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16655080 is an abundant number, since it is smaller than the sum of its proper divisors (23702720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16655080 is a wasteful number, since it uses less digits than its factorization.

16655080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32053 (or 32049 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 16655080 is about 4081.0635868607. The cubic root of 16655080 is about 255.3772705958.

The spelling of 16655080 in words is "sixteen million, six hundred fifty-five thousand, eighty".