620773170668 has 48 divisors (see below), whose sum is σ = 1261303002624. Its totient is φ = 261819803520.

The previous prime is 620773170653. The next prime is 620773170691. The reversal of 620773170668 is 866071377026.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773680 + ... + 2094632.

It is an arithmetic number, because the mean of its divisors is an integer number (26277145888).

Almost surely, 2^620773170668 is an apocalyptic number.

It is an amenable number.

620773170668 is an abundant number, since it is smaller than the sum of its proper divisors (640529831956).

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

620773170668 is a wasteful number, since it uses less digits than its factorization.

620773170668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322062 (or 322060 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 620773170668 in words is "six hundred twenty billion, seven hundred seventy-three million, one hundred seventy thousand, six hundred sixty-eight".