620166059 has 2 divisors, whose sum is σ = 620166060. Its totient is φ = 620166058.

The previous prime is 620166017. The next prime is 620166083. The reversal of 620166059 is 950661026.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620166059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620166359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310083029 + 310083030.

It is an arithmetic number, because the mean of its divisors is an integer number (310083030).

Almost surely, 2^620166059 is an apocalyptic number.

620166059 is a deficient number, since it is larger than the sum of its proper divisors (1).

620166059 is an equidigital number, since it uses as much as digits as its factorization.

620166059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 620166059 is about 24903.1335176921. The cubic root of 620166059 is about 852.7780199328.

The spelling of 620166059 in words is "six hundred twenty million, one hundred sixty-six thousand, fifty-nine".