202166713979 has 2 divisors, whose sum is σ = 202166713980. Its totient is φ = 202166713978.

The previous prime is 202166713963. The next prime is 202166714003. The reversal of 202166713979 is 979317661202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202166713979 - 2⁴ = 202166713963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202166713979.

It is not a weakly prime, because it can be changed into another prime (202166713909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101083356989 + 101083356990.

It is an arithmetic number, because the mean of its divisors is an integer number (101083356990).

Almost surely, 2^202166713979 is an apocalyptic number.

202166713979 is a deficient number, since it is larger than the sum of its proper divisors (1).

202166713979 is an equidigital number, since it uses as much as digits as its factorization.

202166713979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 202166713979 in words is "two hundred two billion, one hundred sixty-six million, seven hundred thirteen thousand, nine hundred seventy-nine".