63521160 has 32 divisors (see below), whose sum is σ = 190563840. Its totient is φ = 16938944.

The previous prime is 63521137. The next prime is 63521179. The reversal of 63521160 is 6112536.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 63521160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264552 + ... + 264791.

It is an arithmetic number, because the mean of its divisors is an integer number (5955120).

Almost surely, 2^63521160 is an apocalyptic number.

63521160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63521160 is an abundant number, since it is smaller than the sum of its proper divisors (127042680).

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

63521160 is a wasteful number, since it uses less digits than its factorization.

63521160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529357 (or 529353 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 63521160 is about 7970.0163111502. The cubic root of 63521160 is about 398.9999183422. Note that the first 4 decimals are identical.

Adding to 63521160 its reverse (6112536), we get a palindrome (69633696).

The spelling of 63521160 in words is "sixty-three million, five hundred twenty-one thousand, one hundred sixty".