620016866 has 8 divisors (see below), whose sum is σ = 1062886080. Its totient is φ = 265721508.

The previous prime is 620016857. The next prime is 620016923. The reversal of 620016866 is 668610026.

620016866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22143446 + ... + 22143473.

It is an arithmetic number, because the mean of its divisors is an integer number (132860760).

Almost surely, 2^620016866 is an apocalyptic number.

620016866 is a deficient number, since it is larger than the sum of its proper divisors (442869214).

620016866 is a wasteful number, since it uses less digits than its factorization.

620016866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44286928.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 620016866 is about 24900.1378711042. The cubic root of 620016866 is about 852.7096303388.

The spelling of 620016866 in words is "six hundred twenty million, sixteen thousand, eight hundred sixty-six".