662268426623 has 8 divisors (see below), whose sum is σ = 696530641536. Its totient is φ = 628812381600.

The previous prime is 662268426577. The next prime is 662268426629. The reversal of 662268426623 is 326624862266.

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 662268426623 - 2²⁶ = 662201317759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662268426629) 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, 201540788 + ... + 201544073.

It is an arithmetic number, because the mean of its divisors is an integer number (87066330192).

Almost surely, 2^662268426623 is an apocalyptic number.

662268426623 is a deficient number, since it is larger than the sum of its proper divisors (34262214913).

662268426623 is a wasteful number, since it uses less digits than its factorization.

662268426623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403084945.

The product of its digits is 11943936, while the sum is 53.

The spelling of 662268426623 in words is "six hundred sixty-two billion, two hundred sixty-eight million, four hundred twenty-six thousand, six hundred twenty-three".