16660260 has 36 divisors (see below), whose sum is σ = 50536668. Its totient is φ = 4442688.

The previous prime is 16660247. The next prime is 16660271. The reversal of 16660260 is 6206661.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 13133376 = 1878^2 + 3624^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46099 + ... + 46458.

Almost surely, 2^16660260 is an apocalyptic number.

16660260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16660260 is an abundant number, since it is smaller than the sum of its proper divisors (33876408).

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

16660260 is a wasteful number, since it uses less digits than its factorization.

16660260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92572 (or 92567 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 16660260 is about 4081.6981760047. The cubic root of 16660260 is about 255.4037433425.

The spelling of 16660260 in words is "sixteen million, six hundred sixty thousand, two hundred sixty".