620080071666 has 16 divisors (see below), whose sum is σ = 1352901974688. Its totient is φ = 187903052000.

The previous prime is 620080071601. The next prime is 620080071679. The reversal of 620080071666 is 666170080026.

It is a happy number.

620080071666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4697576235 + ... + 4697576366.

It is an arithmetic number, because the mean of its divisors is an integer number (84556373418).

Almost surely, 2^620080071666 is an apocalyptic number.

620080071666 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

620080071666 is an abundant number, since it is smaller than the sum of its proper divisors (732821903022).

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

620080071666 is a wasteful number, since it uses less digits than its factorization.

620080071666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395152617.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 620080071666 in words is "six hundred twenty billion, eighty million, seventy-one thousand, six hundred sixty-six".