192164989 has 2 divisors, whose sum is σ = 192164990. Its totient is φ = 192164988.

The previous prime is 192164971. The next prime is 192165007. The reversal of 192164989 is 989461291.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (192164971) and next prime (192165007).

It can be written as a sum of positive squares in only one way, i.e., 177342489 + 14822500 = 13317^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 192164989 - 2²³ = 183776381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192164789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96082494 + 96082495.

It is an arithmetic number, because the mean of its divisors is an integer number (96082495).

Almost surely, 2^192164989 is an apocalyptic number.

It is an amenable number.

192164989 is a deficient number, since it is larger than the sum of its proper divisors (1).

192164989 is an equidigital number, since it uses as much as digits as its factorization.

192164989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 192164989 is about 13862.3587098300. The cubic root of 192164989 is about 577.0650275585.

The spelling of 192164989 in words is "one hundred ninety-two million, one hundred sixty-four thousand, nine hundred eighty-nine".