164426804 has 6 divisors (see below), whose sum is σ = 287746914. Its totient is φ = 82213400.

The previous prime is 164426789. The next prime is 164426807. The reversal of 164426804 is 408624461.

164426804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 97219600 + 67207204 = 9860^2 + 8198^2 .

It is a super-3 number, since 3×164426804³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164426807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20553347 + ... + 20553354.

It is an arithmetic number, because the mean of its divisors is an integer number (47957819).

Almost surely, 2^164426804 is an apocalyptic number.

It is an amenable number.

164426804 is a deficient number, since it is larger than the sum of its proper divisors (123320110).

164426804 is a wasteful number, since it uses less digits than its factorization.

164426804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41106705 (or 41106703 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 164426804 is about 12822.9015437225. The cubic root of 164426804 is about 547.8447932775.

The spelling of 164426804 in words is "one hundred sixty-four million, four hundred twenty-six thousand, eight hundred four".