63642160 has 20 divisors (see below), whose sum is σ = 147968208. Its totient is φ = 25456832.

The previous prime is 63642151. The next prime is 63642217. The reversal of 63642160 is 6124636.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397684 + ... + 397843.

Almost surely, 2^63642160 is an apocalyptic number.

It is an amenable number.

63642160 is an abundant number, since it is smaller than the sum of its proper divisors (84326048).

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

63642160 is a wasteful number, since it uses less digits than its factorization.

63642160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795540 (or 795534 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 63642160 is about 7977.6036502198. The cubic root of 63642160 is about 399.2531062423.

Adding to 63642160 its reverse (6124636), we get a palindrome (69766796).

The spelling of 63642160 in words is "sixty-three million, six hundred forty-two thousand, one hundred sixty".