672267162205 has 8 divisors (see below), whose sum is σ = 806726497752. Its totient is φ = 537809794368.

The previous prime is 672267162139. The next prime is 672267162353. The reversal of 672267162205 is 502261762276.

It can be written as a sum of positive squares in 4 ways, for example, as 11215233604 + 661051928601 = 105902^2 + 813051^2 .

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 672267162205 - 2³³ = 663677227613 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 410059 + ... + 1229911.

It is an arithmetic number, because the mean of its divisors is an integer number (100840812219).

Almost surely, 2^672267162205 is an apocalyptic number.

It is an amenable number.

672267162205 is a deficient number, since it is larger than the sum of its proper divisors (134459335547).

672267162205 is a wasteful number, since it uses less digits than its factorization.

672267162205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983855.

The product of its (nonzero) digits is 846720, while the sum is 46.

It can be divided in two parts, 6722671 and 62205, that added together give a palindrome (6784876).

The spelling of 672267162205 in words is "six hundred seventy-two billion, two hundred sixty-seven million, one hundred sixty-two thousand, two hundred five".