165426404 has 48 divisors (see below), whose sum is σ = 342752256. Its totient is φ = 68870400.

The previous prime is 165426403. The next prime is 165426451. The reversal of 165426404 is 404624561.

165426404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165426403) 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, 77309 + ... + 79419.

It is an arithmetic number, because the mean of its divisors is an integer number (7140672).

Almost surely, 2^165426404 is an apocalyptic number.

It is an amenable number.

165426404 is an abundant number, since it is smaller than the sum of its proper divisors (177325852).

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

165426404 is a wasteful number, since it uses less digits than its factorization.

165426404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2274 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 165426404 is about 12861.8196224329. The cubic root of 165426404 is about 548.9527222524.

The spelling of 165426404 in words is "one hundred sixty-five million, four hundred twenty-six thousand, four hundred four".