164044398 has 32 divisors (see below), whose sum is σ = 383682816. Its totient is φ = 45779328.

The previous prime is 164044337. The next prime is 164044399. The reversal of 164044398 is 893440461.

It is a happy number.

164044398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164044399) 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, 43611 + ... + 47222.

It is an arithmetic number, because the mean of its divisors is an integer number (11990088).

Almost surely, 2^164044398 is an apocalyptic number.

164044398 is an abundant number, since it is smaller than the sum of its proper divisors (219638418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164044398 is a wasteful number, since it uses less digits than its factorization.

164044398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90888.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 164044398 is about 12807.9818082319. The cubic root of 164044398 is about 547.4197576361.

It can be divided in two parts, 16404 and 4398, that added together give a palindrome (20802).

The spelling of 164044398 in words is "one hundred sixty-four million, forty-four thousand, three hundred ninety-eight".