672666303311 has 8 divisors (see below), whose sum is σ = 679857876720. Its totient is φ = 665512882048.

The previous prime is 672666303271. The next prime is 672666303313. The reversal of 672666303311 is 113303666276.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 672666303311 - 2¹⁴ = 672666286927 is a prime.

It is a super-2 number, since 2×672666303311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672666303313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9502586 + ... + 9573111.

It is an arithmetic number, because the mean of its divisors is an integer number (84982234590).

Almost surely, 2^672666303311 is an apocalyptic number.

672666303311 is a deficient number, since it is larger than the sum of its proper divisors (7191573409).

672666303311 is a wasteful number, since it uses less digits than its factorization.

672666303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19076073.

The product of its (nonzero) digits is 489888, while the sum is 44.

Adding to 672666303311 its reverse (113303666276), we get a palindrome (785969969587).

The spelling of 672666303311 in words is "six hundred seventy-two billion, six hundred sixty-six million, three hundred three thousand, three hundred eleven".