16662010 has 8 divisors (see below), whose sum is σ = 29991636. Its totient is φ = 6664800.

The previous prime is 16662007. The next prime is 16662011. The reversal of 16662010 is 1026661.

It can be written as a sum of positive squares in 2 ways, for example, as 16184529 + 477481 = 4023^2 + 691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16662011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833091 + ... + 833110.

Almost surely, 2^16662010 is an apocalyptic number.

16662010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16662010 is a deficient number, since it is larger than the sum of its proper divisors (13329626).

16662010 is a wasteful number, since it uses less digits than its factorization.

16662010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666208.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16662010 is about 4081.9125419342. The cubic root of 16662010 is about 255.4126855980.

Adding to 16662010 its reverse (1026661), we get a palindrome (17688671).

The spelling of 16662010 in words is "sixteen million, six hundred sixty-two thousand, ten".