164435459 has 4 divisors (see below), whose sum is σ = 164565504. Its totient is φ = 164305416.

The previous prime is 164435429. The next prime is 164435477. The reversal of 164435459 is 954534461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954534461 = 67 ⋅14246783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164435459 is a prime.

It is a super-3 number, since 3×164435459³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164435429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63107 + ... + 65660.

It is an arithmetic number, because the mean of its divisors is an integer number (41141376).

Almost surely, 2^164435459 is an apocalyptic number.

164435459 is a deficient number, since it is larger than the sum of its proper divisors (130045).

164435459 is a wasteful number, since it uses less digits than its factorization.

164435459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130044.

The product of its digits is 259200, while the sum is 41.

The square root of 164435459 is about 12823.2390214017. The cubic root of 164435459 is about 547.8544054846.

The spelling of 164435459 in words is "one hundred sixty-four million, four hundred thirty-five thousand, four hundred fifty-nine".