620016066 has 32 divisors (see below), whose sum is σ = 1382253120. Its totient is φ = 206006112.

The previous prime is 620016049. The next prime is 620016071. The reversal of 620016066 is 660610026.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 1440 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (43195410).

Almost surely, 2^620016066 is an apocalyptic number.

620016066 is an abundant number, since it is smaller than the sum of its proper divisors (762237054).

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

620016066 is a wasteful number, since it uses less digits than its factorization.

620016066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37007 (or 37001 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 620016066 is about 24900.1218069310. The cubic root of 620016066 is about 852.7092635918.

The spelling of 620016066 in words is "six hundred twenty million, sixteen thousand, sixty-six".