63013660 has 12 divisors (see below), whose sum is σ = 132328728. Its totient is φ = 25205456.

The previous prime is 63013651. The next prime is 63013667. The reversal of 63013660 is 6631036.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63013667) by changing a digit.

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, 1575322 + ... + 1575361.

It is an arithmetic number, because the mean of its divisors is an integer number (11027394).

Almost surely, 2^63013660 is an apocalyptic number.

It is an amenable number.

63013660 is an abundant number, since it is smaller than the sum of its proper divisors (69315068).

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

63013660 is a wasteful number, since it uses less digits than its factorization.

63013660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150692 (or 3150690 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 63013660 is about 7938.1143856712. The cubic root of 63013660 is about 397.9344774000.

Adding to 63013660 its reverse (6631036), we get a palindrome (69644696).

The spelling of 63013660 in words is "sixty-three million, thirteen thousand, six hundred sixty".