63616576 has 21 divisors (see below), whose sum is σ = 126365889. Its totient is φ = 31776384.

The previous prime is 63616571. The next prime is 63616583. The reversal of 63616576 is 67561636.

The square root of 63616576 is 7976.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 8856576 = 7400^2 + 2976^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63616571) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 63310 + ... + 64306.

Almost surely, 2^63616576 is an apocalyptic number.

63616576 is the 7976-th square number.

It is an amenable number.

63616576 is a deficient number, since it is larger than the sum of its proper divisors (62749313).

63616576 is an frugal number, since it uses more digits than its factorization.

63616576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 999 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The cubic root of 63616576 is about 399.1995994657.

The spelling of 63616576 in words is "sixty-three million, six hundred sixteen thousand, five hundred seventy-six".