620167099 has 2 divisors, whose sum is σ = 620167100. Its totient is φ = 620167098.

The previous prime is 620167091. The next prime is 620167129. The reversal of 620167099 is 990761026.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 620167099 - 2³ = 620167091 is a prime.

It is not a weakly prime, because it can be changed into another prime (620167091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310083549 + 310083550.

It is an arithmetic number, because the mean of its divisors is an integer number (310083550).

Almost surely, 2^620167099 is an apocalyptic number.

620167099 is a deficient number, since it is larger than the sum of its proper divisors (1).

620167099 is an equidigital number, since it uses as much as digits as its factorization.

620167099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 620167099 is about 24903.1543985897. The cubic root of 620167099 is about 852.7784966270.

The spelling of 620167099 in words is "six hundred twenty million, one hundred sixty-seven thousand, ninety-nine".