63607616 has 14 divisors (see below), whose sum is σ = 126221490. Its totient is φ = 31803776.

The previous prime is 63607613. The next prime is 63607619. The reversal of 63607616 is 61670636.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63607613) and next prime (63607619).

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 246016 = 7960^2 + 496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63607613) 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 as a sum of consecutive naturals, namely, 496871 + ... + 496998.

Almost surely, 2^63607616 is an apocalyptic number.

It is an amenable number.

63607616 is a deficient number, since it is larger than the sum of its proper divisors (62613874).

63607616 is an equidigital number, since it uses as much as digits as its factorization.

63607616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993881 (or 993871 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 63607616 is about 7975.4382951660. The cubic root of 63607616 is about 399.1808569902.

The spelling of 63607616 in words is "sixty-three million, six hundred seven thousand, six hundred sixteen".