522116604 has 36 divisors (see below), whose sum is σ = 1368678584. Its totient is φ = 174038544.

The previous prime is 522116603. The next prime is 522116677. The reversal of 522116604 is 406611225.

522116604 is a `hidden beast` number, since 52 + 2 + 1 + 1 + 6 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522116603) 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, 267607 + ... + 269550.

Almost surely, 2^522116604 is an apocalyptic number.

522116604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

522116604 is an abundant number, since it is smaller than the sum of its proper divisors (846561980).

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

522116604 is a wasteful number, since it uses less digits than its factorization.

522116604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537176 (or 537162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 522116604 is about 22849.8709843185. The cubic root of 522116604 is about 805.2347367860.

Adding to 522116604 its reverse (406611225), we get a palindrome (928727829).

The spelling of 522116604 in words is "five hundred twenty-two million, one hundred sixteen thousand, six hundred four".