667041010 has 8 divisors (see below), whose sum is σ = 1200673836. Its totient is φ = 266816400.

The previous prime is 667041007. The next prime is 667041031. The reversal of 667041010 is 10140766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 666724041 + 316969 = 25821^2 + 563^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33352041 + ... + 33352060.

Almost surely, 2^667041010 is an apocalyptic number.

667041010 is a deficient number, since it is larger than the sum of its proper divisors (533632826).

667041010 is a wasteful number, since it uses less digits than its factorization.

667041010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66704108.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 667041010 is about 25827.1370848571. The cubic root of 667041010 is about 873.7439436530.

Adding to 667041010 its reverse (10140766), we get a palindrome (677181776).

The spelling of 667041010 in words is "six hundred sixty-seven million, forty-one thousand, ten".