63666352 has 10 divisors (see below), whose sum is σ = 123353588. Its totient is φ = 31833168.

The previous prime is 63666329. The next prime is 63666389. The reversal of 63666352 is 25366636.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989558 + ... + 1989589.

Almost surely, 2^63666352 is an apocalyptic number.

It is an amenable number.

63666352 is a deficient number, since it is larger than the sum of its proper divisors (59687236).

63666352 is a wasteful number, since it uses less digits than its factorization.

63666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979155 (or 3979149 counting only the distinct ones).

The product of its digits is 116640, while the sum is 37.

The square root of 63666352 is about 7979.1197509500. The cubic root of 63666352 is about 399.3036885794.

The spelling of 63666352 in words is "sixty-three million, six hundred sixty-six thousand, three hundred fifty-two".