63660542 has 8 divisors (see below), whose sum is σ = 104171832. Its totient is φ = 28936600.

The previous prime is 63660497. The next prime is 63660551. The reversal of 63660542 is 24506636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63660499 and 63660508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446809 + ... + 1446852.

It is an arithmetic number, because the mean of its divisors is an integer number (13021479).

Almost surely, 2^63660542 is an apocalyptic number.

63660542 is a deficient number, since it is larger than the sum of its proper divisors (40511290).

63660542 is a wasteful number, since it uses less digits than its factorization.

63660542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893674.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 63660542 is about 7978.7556673958. The cubic root of 63660542 is about 399.2915417916.

The spelling of 63660542 in words is "sixty-three million, six hundred sixty thousand, five hundred forty-two".