521163080 has 16 divisors (see below), whose sum is σ = 1172617020. Its totient is φ = 208465216.

The previous prime is 521163047. The next prime is 521163143. The reversal of 521163080 is 80361125.

It can be written as a sum of positive squares in 2 ways, for example, as 510127396 + 11035684 = 22586^2 + 3322^2 .

It is a super-2 number, since 2×521163080² = 543221911910172800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6514499 + ... + 6514578.

Almost surely, 2^521163080 is an apocalyptic number.

It is an amenable number.

521163080 is an abundant number, since it is smaller than the sum of its proper divisors (651453940).

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

521163080 is a wasteful number, since it uses less digits than its factorization.

521163080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029088 (or 13029084 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 521163080 is about 22828.9964737831. The cubic root of 521163080 is about 804.7442470340.

The spelling of 521163080 in words is "five hundred twenty-one million, one hundred sixty-three thousand, eighty".