538633164 has 24 divisors (see below), whose sum is σ = 1261291248. Its totient is φ = 178904320.

The previous prime is 538633133. The next prime is 538633171. The reversal of 538633164 is 461336835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76497 + ... + 83240.

It is an arithmetic number, because the mean of its divisors is an integer number (52553802).

Almost surely, 2^538633164 is an apocalyptic number.

It is an amenable number.

538633164 is an abundant number, since it is smaller than the sum of its proper divisors (722658084).

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

538633164 is a wasteful number, since it uses less digits than its factorization.

538633164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160025 (or 160023 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 538633164 is about 23208.4718152661. The cubic root of 538633164 is about 813.6376371103.

Adding to 538633164 its reverse (461336835), we get a palindrome (999969999).

The spelling of 538633164 in words is "five hundred thirty-eight million, six hundred thirty-three thousand, one hundred sixty-four".