63661152 has 48 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 21133440.

The previous prime is 63661099. The next prime is 63661159. The reversal of 63661152 is 25116636.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63661159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24793 + ... + 27239.

It is an arithmetic number, because the mean of its divisors is an integer number (3495744).

Almost surely, 2^63661152 is an apocalyptic number.

It is an amenable number.

63661152 is an abundant number, since it is smaller than the sum of its proper divisors (104134560).

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

63661152 is a wasteful number, since it uses less digits than its factorization.

63661152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731 (or 2723 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 63661152 is about 7978.7938938163. The cubic root of 63661152 is about 399.2928171345.

Adding to 63661152 its reverse (25116636), we get a palindrome (88777788).

It can be divided in two parts, 6 and 3661152, that multiplied together give a palindrome (21966912).

The spelling of 63661152 in words is "sixty-three million, six hundred sixty-one thousand, one hundred fifty-two".