63371668 has 6 divisors (see below), whose sum is σ = 110900426. Its totient is φ = 31685832.

The previous prime is 63371653. The next prime is 63371681. The reversal of 63371668 is 86617336.

It can be written as a sum of positive squares in only one way, i.e., 36144144 + 27227524 = 6012^2 + 5218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63371668.

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, 7921455 + ... + 7921462.

Almost surely, 2^63371668 is an apocalyptic number.

It is an amenable number.

63371668 is a deficient number, since it is larger than the sum of its proper divisors (47528758).

63371668 is a wasteful number, since it uses less digits than its factorization.

63371668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15842921 (or 15842919 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 63371668 is about 7960.6323869401. The cubic root of 63371668 is about 398.6866676145.

The spelling of 63371668 in words is "sixty-three million, three hundred seventy-one thousand, six hundred sixty-eight".