620664604662 has 32 divisors (see below), whose sum is σ = 1295344493568. Its totient is φ = 197886271616.

The previous prime is 620664604661. The next prime is 620664604669. The reversal of 620664604662 is 266406466026.

620664604662 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620664604661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5323363 + ... + 5438705.

It is an arithmetic number, because the mean of its divisors is an integer number (40479515424).

Almost surely, 2^620664604662 is an apocalyptic number.

620664604662 is an abundant number, since it is smaller than the sum of its proper divisors (674679888906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620664604662 is a wasteful number, since it uses less digits than its factorization.

620664604662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154364.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 620664604662 in words is "six hundred twenty billion, six hundred sixty-four million, six hundred four thousand, six hundred sixty-two".