667041011 has 8 divisors (see below), whose sum is σ = 820973664. Its totient is φ = 527768640.

The previous prime is 667041007. The next prime is 667041031. The reversal of 667041011 is 110140766.

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

It is not a de Polignac number, because 667041011 - 2² = 667041007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667041031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664970 + ... + 3665151.

It is an arithmetic number, because the mean of its divisors is an integer number (102621708).

Almost surely, 2^667041011 is an apocalyptic number.

667041011 is a deficient number, since it is larger than the sum of its proper divisors (153932653).

667041011 is a wasteful number, since it uses less digits than its factorization.

667041011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330141.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 667041011 is about 25827.1371042166. The cubic root of 667041011 is about 873.7439440897.

Adding to 667041011 its reverse (110140766), we get a palindrome (777181777).

The spelling of 667041011 in words is "six hundred sixty-seven million, forty-one thousand, eleven".