164335459 has 4 divisors (see below), whose sum is σ = 165343816. Its totient is φ = 163327104.

The previous prime is 164335441. The next prime is 164335471. The reversal of 164335459 is 954533461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954533461 = 7 ⋅136361923.

It is a cyclic number.

It is not a de Polignac number, because 164335459 - 2⁷ = 164335331 is a prime.

It is a super-2 number, since 2×164335459² = 54012286169481362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164335499) 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, 503934 + ... + 504259.

It is an arithmetic number, because the mean of its divisors is an integer number (41335954).

Almost surely, 2^164335459 is an apocalyptic number.

164335459 is a deficient number, since it is larger than the sum of its proper divisors (1008357).

164335459 is a wasteful number, since it uses less digits than its factorization.

164335459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008356.

The product of its digits is 194400, while the sum is 40.

The square root of 164335459 is about 12819.3392575437. The cubic root of 164335459 is about 547.7433253271.

The spelling of 164335459 in words is "one hundred sixty-four million, three hundred thirty-five thousand, four hundred fifty-nine".