164137559 has 4 divisors (see below), whose sum is σ = 164192616. Its totient is φ = 164082504.

The previous prime is 164137553. The next prime is 164137619. The reversal of 164137559 is 955731461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955731461 = 9391 ⋅101771.

It is a cyclic number.

It is not a de Polignac number, because 164137559 - 2²⁰ = 163088983 is a prime.

It is a super-2 number, since 2×164137559² = 53882276548956962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164137553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22784 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (41048154).

Almost surely, 2^164137559 is an apocalyptic number.

164137559 is a deficient number, since it is larger than the sum of its proper divisors (55057).

164137559 is an equidigital number, since it uses as much as digits as its factorization.

164137559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55056.

The product of its digits is 113400, while the sum is 41.

The square root of 164137559 is about 12811.6181257482. The cubic root of 164137559 is about 547.5233647931.

The spelling of 164137559 in words is "one hundred sixty-four million, one hundred thirty-seven thousand, five hundred fifty-nine".