63148816 has 10 divisors (see below), whose sum is σ = 122350862. Its totient is φ = 31574400.

The previous prime is 63148763. The next prime is 63148817. The reversal of 63148816 is 61884136.

It can be written as a sum of positive squares in only one way, i.e., 59228416 + 3920400 = 7696^2 + 1980^2 .

It is not an unprimeable number, because it can be changed into a prime (63148817) 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, 1973385 + ... + 1973416.

Almost surely, 2^63148816 is an apocalyptic number.

It is an amenable number.

63148816 is a deficient number, since it is larger than the sum of its proper divisors (59202046).

63148816 is a wasteful number, since it uses less digits than its factorization.

63148816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946809 (or 3946803 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 63148816 is about 7946.6229305284. The cubic root of 63148816 is about 398.2187799111.

The spelling of 63148816 in words is "sixty-three million, one hundred forty-eight thousand, eight hundred sixteen".