662720257211 has 8 divisors (see below), whose sum is σ = 680644428240. Its totient is φ = 644796760608.

The previous prime is 662720257193. The next prime is 662720257217. The reversal of 662720257211 is 112752027266.

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 662720257211 - 2¹⁴ = 662720240827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662720257217) 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, 2308925 + ... + 2580033.

It is an arithmetic number, because the mean of its divisors is an integer number (85080553530).

Almost surely, 2^662720257211 is an apocalyptic number.

662720257211 is a deficient number, since it is larger than the sum of its proper divisors (17924171029).

662720257211 is a wasteful number, since it uses less digits than its factorization.

662720257211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337213.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 662720257211 in words is "six hundred sixty-two billion, seven hundred twenty million, two hundred fifty-seven thousand, two hundred eleven".