63537066 has 24 divisors (see below), whose sum is σ = 141385764. Its totient is φ = 20606400.

The previous prime is 63537053. The next prime is 63537079. The reversal of 63537066 is 66073536.

63537066 is a `hidden beast` number, since 63 + 537 + 0 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (63537053) and next prime (63537079).

It can be written as a sum of positive squares in 2 ways, for example, as 63536841 + 225 = 7971^2 + 15^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63537066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47035 + ... + 48366.

Almost surely, 2^63537066 is an apocalyptic number.

63537066 is an abundant number, since it is smaller than the sum of its proper divisors (77848698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63537066 is a wasteful number, since it uses less digits than its factorization.

63537066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95446 (or 95443 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 63537066 is about 7971.0141136495. The cubic root of 63537066 is about 399.0332193873.

The spelling of 63537066 in words is "sixty-three million, five hundred thirty-seven thousand, sixty-six".