620166075 has 24 divisors (see below), whose sum is σ = 1031289648. Its totient is φ = 328836480.

The previous prime is 620166059. The next prime is 620166083. The reversal of 620166075 is 570661026.

It is not a de Polignac number, because 620166075 - 2⁴ = 620166059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10924 + ... + 36873.

It is an arithmetic number, because the mean of its divisors is an integer number (42970402).

Almost surely, 2^620166075 is an apocalyptic number.

620166075 is a deficient number, since it is larger than the sum of its proper divisors (411123573).

620166075 is a wasteful number, since it uses less digits than its factorization.

620166075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47983 (or 47978 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 620166075 is about 24903.1338389368. The cubic root of 620166075 is about 852.7780272665.

The spelling of 620166075 in words is "six hundred twenty million, one hundred sixty-six thousand, seventy-five".