164923404 has 36 divisors (see below), whose sum is σ = 394031736. Its totient is φ = 53688768.

The previous prime is 164923403. The next prime is 164923411. The reversal of 164923404 is 404329461.

It is not an unprimeable number, because it can be changed into a prime (164923403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18472 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (10945326).

Almost surely, 2^164923404 is an apocalyptic number.

It is an amenable number.

164923404 is an abundant number, since it is smaller than the sum of its proper divisors (229108332).

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

164923404 is a wasteful number, since it uses less digits than its factorization.

164923404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526 (or 7481 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 164923404 is about 12842.2507373124. The cubic root of 164923404 is about 548.3957705427.

The spelling of 164923404 in words is "one hundred sixty-four million, nine hundred twenty-three thousand, four hundred four".