666010010 has 16 divisors (see below), whose sum is σ = 1199356416. Its totient is φ = 266284368.

The previous prime is 666010001. The next prime is 666010043. The reversal of 666010010 is 10010666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10487 + ... + 37973.

It is an arithmetic number, because the mean of its divisors is an integer number (74959776).

Almost surely, 2^666010010 is an apocalyptic number.

666010010 is a deficient number, since it is larger than the sum of its proper divisors (533346406).

666010010 is a wasteful number, since it uses less digits than its factorization.

666010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29917.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 666010010 is about 25807.1697402098. The cubic root of 666010010 is about 873.2935492952.

Adding to 666010010 its reverse (10010666), we get a palindrome (676020676).

The spelling of 666010010 in words is "six hundred sixty-six million, ten thousand, ten".