320642050622663 has 32 divisors (see below), whose sum is σ = 401435380988928. Its totient is φ = 248804861990400.

The previous prime is 320642050622659. The next prime is 320642050622669. The reversal of 320642050622663 is 366226050246023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320642050622663 - 2² = 320642050622659 is a prime.

It is a super-2 number, since 2×320642050622663² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320642050622669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514961081 + ... + 515583357.

It is an arithmetic number, because the mean of its divisors is an integer number (12544855655904).

Almost surely, 2^{320642050622663} is an apocalyptic number.

320642050622663 is a deficient number, since it is larger than the sum of its proper divisors (80793330366265).

320642050622663 is a wasteful number, since it uses less digits than its factorization.

320642050622663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650303.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 320642050622663 in words is "three hundred twenty trillion, six hundred forty-two billion, fifty million, six hundred twenty-two thousand, six hundred sixty-three".