622601660653 has 16 divisors (see below), whose sum is σ = 724791853440. Its totient is φ = 523810780416.

The previous prime is 622601660587. The next prime is 622601660701. The reversal of 622601660653 is 356066106226.

It is a de Polignac number, because none of the positive numbers 2^k-622601660653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622601660753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561951 + ... + 3732652.

It is an arithmetic number, because the mean of its divisors is an integer number (45299490840).

Almost surely, 2^622601660653 is an apocalyptic number.

It is an amenable number.

622601660653 is a deficient number, since it is larger than the sum of its proper divisors (102190192787).

622601660653 is a wasteful number, since it uses less digits than its factorization.

622601660653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294836.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 622601660653 its reverse (356066106226), we get a palindrome (978667766879).

The spelling of 622601660653 in words is "six hundred twenty-two billion, six hundred one million, six hundred sixty thousand, six hundred fifty-three".