63000016 has 10 divisors (see below), whose sum is σ = 122062562. Its totient is φ = 31500000.

The previous prime is 62999999. The next prime is 63000037. The reversal of 63000016 is 61000036.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 13719616 = 7020^2 + 3704^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 3937501 = 63000016 / (6 + 3 + 0 + 0 + 0 + 0 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968735 + ... + 1968766.

Almost surely, 2^63000016 is an apocalyptic number.

It is an amenable number.

63000016 is a deficient number, since it is larger than the sum of its proper divisors (59062546).

63000016 is a wasteful number, since it uses less digits than its factorization.

63000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937509 (or 3937503 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 63000016 is about 7937.2549410990. The cubic root of 63000016 is about 397.9057544748.

The spelling of 63000016 in words is "sixty-three million, sixteen", and thus it is an aban number and an uban number.