63616545 has 24 divisors (see below), whose sum is σ = 110627712. Its totient is φ = 33818400.

The previous prime is 63616537. The next prime is 63616549. The reversal of 63616545 is 54561636.

63616545 is a `hidden beast` number, since 636 + 16 + 5 + 4 + 5 = 666.

63616545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63616545 - 2³ = 63616537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63616549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12760 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (4609488).

Almost surely, 2^63616545 is an apocalyptic number.

It is an amenable number.

63616545 is a deficient number, since it is larger than the sum of its proper divisors (47011167).

63616545 is a wasteful number, since it uses less digits than its factorization.

63616545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613 (or 4610 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 63616545 is about 7975.9980566698. The cubic root of 63616545 is about 399.1995346231.

The spelling of 63616545 in words is "sixty-three million, six hundred sixteen thousand, five hundred forty-five".