621622020662 has 16 divisors (see below), whose sum is σ = 941024040000. Its totient is φ = 307947562560.

The previous prime is 621622020631. The next prime is 621622020707. The reversal of 621622020662 is 266020226126.

621622020662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8813714 + ... + 8883962.

It is an arithmetic number, because the mean of its divisors is an integer number (58814002500).

Almost surely, 2^621622020662 is an apocalyptic number.

621622020662 is a deficient number, since it is larger than the sum of its proper divisors (319402019338).

621622020662 is a wasteful number, since it uses less digits than its factorization.

621622020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110951.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 621622020662 its reverse (266020226126), we get a palindrome (887642246788).

The spelling of 621622020662 in words is "six hundred twenty-one billion, six hundred twenty-two million, twenty thousand, six hundred sixty-two".