667013365011 has 8 divisors (see below), whose sum is σ = 1016401318144. Its totient is φ = 381150494280.

The previous prime is 667013364961. The next prime is 667013365033. The reversal of 667013365011 is 110563310766.

It is a happy number.

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

It is not a de Polignac number, because 667013365011 - 2¹¹ = 667013362963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667013365091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15881270575 + ... + 15881270616.

It is an arithmetic number, because the mean of its divisors is an integer number (127050164768).

Almost surely, 2^667013365011 is an apocalyptic number.

667013365011 is a deficient number, since it is larger than the sum of its proper divisors (349387953133).

667013365011 is a wasteful number, since it uses less digits than its factorization.

667013365011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31762541201.

The product of its (nonzero) digits is 68040, while the sum is 39.

Adding to 667013365011 its reverse (110563310766), we get a palindrome (777576675777).

The spelling of 667013365011 in words is "six hundred sixty-seven billion, thirteen million, three hundred sixty-five thousand, eleven".