164409459 has 16 divisors (see below), whose sum is σ = 225037440. Its totient is φ = 106729280.

The previous prime is 164409419. The next prime is 164409473. The reversal of 164409459 is 954904461.

164409459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 164409459 - 2⁷ = 164409331 is a prime.

It is a super-3 number, since 3×164409459³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164409459.

It is not an unprimeable number, because it can be changed into a prime (164409409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14599 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (14064840).

Almost surely, 2^164409459 is an apocalyptic number.

164409459 is a deficient number, since it is larger than the sum of its proper divisors (60627981).

164409459 is a wasteful number, since it uses less digits than its factorization.

164409459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 164409459 is about 12822.2251968993. The cubic root of 164409459 is about 547.8255289770.

The spelling of 164409459 in words is "one hundred sixty-four million, four hundred nine thousand, four hundred fifty-nine".