164316393559 has 2 divisors, whose sum is σ = 164316393560. Its totient is φ = 164316393558.

The previous prime is 164316393551. The next prime is 164316393641. The reversal of 164316393559 is 955393613461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164316393559 - 2³ = 164316393551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164316393551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82158196779 + 82158196780.

It is an arithmetic number, because the mean of its divisors is an integer number (82158196780).

Almost surely, 2^164316393559 is an apocalyptic number.

164316393559 is a deficient number, since it is larger than the sum of its proper divisors (1).

164316393559 is an equidigital number, since it uses as much as digits as its factorization.

164316393559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7873200, while the sum is 55.

It can be divided in two parts, 16431 and 6393559, that added together give a triangular number (6409990 = T₃₅₈₀).

The spelling of 164316393559 in words is "one hundred sixty-four billion, three hundred sixteen million, three hundred ninety-three thousand, five hundred fifty-nine".