164996659 has 2 divisors, whose sum is σ = 164996660. Its totient is φ = 164996658.

The previous prime is 164996621. The next prime is 164996681. The reversal of 164996659 is 956699461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164996659 - 2⁹ = 164996147 is a prime.

It is not a weakly prime, because it can be changed into another prime (164996609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82498329 + 82498330.

It is an arithmetic number, because the mean of its divisors is an integer number (82498330).

Almost surely, 2^164996659 is an apocalyptic number.

164996659 is a deficient number, since it is larger than the sum of its proper divisors (1).

164996659 is an equidigital number, since it uses as much as digits as its factorization.

164996659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 55.

The square root of 164996659 is about 12845.1025297582. The cubic root of 164996659 is about 548.4769532509.

The spelling of 164996659 in words is "one hundred sixty-four million, nine hundred ninety-six thousand, six hundred fifty-nine".