190979167 has 2 divisors, whose sum is σ = 190979168. Its totient is φ = 190979166.

The previous prime is 190979077. The next prime is 190979179. The reversal of 190979167 is 761979091.

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-190979167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190979167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190979197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95489583 + 95489584.

It is an arithmetic number, because the mean of its divisors is an integer number (95489584).

Almost surely, 2^190979167 is an apocalyptic number.

190979167 is a deficient number, since it is larger than the sum of its proper divisors (1).

190979167 is an equidigital number, since it uses as much as digits as its factorization.

190979167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 49.

The square root of 190979167 is about 13819.5212290441. The cubic root of 190979167 is about 575.8755829769.

The spelling of 190979167 in words is "one hundred ninety million, nine hundred seventy-nine thousand, one hundred sixty-seven".