164355679 has 2 divisors, whose sum is σ = 164355680. Its totient is φ = 164355678.

The previous prime is 164355619. The next prime is 164355701. The reversal of 164355679 is 976553461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164355679 - 2¹⁵ = 164322911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164355619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82177839 + 82177840.

It is an arithmetic number, because the mean of its divisors is an integer number (82177840).

Almost surely, 2^164355679 is an apocalyptic number.

164355679 is a deficient number, since it is larger than the sum of its proper divisors (1).

164355679 is an equidigital number, since it uses as much as digits as its factorization.

164355679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 164355679 is about 12820.1278854776. The cubic root of 164355679 is about 547.7657893688.

The spelling of 164355679 in words is "one hundred sixty-four million, three hundred fifty-five thousand, six hundred seventy-nine".