66360633530 has 8 divisors (see below), whose sum is σ = 119449140372. Its totient is φ = 26544253408.

The previous prime is 66360633527. The next prime is 66360633541. The reversal of 66360633530 is 3533606366.

It can be written as a sum of positive squares in 2 ways, for example, as 63192407161 + 3168226369 = 251381^2 + 56287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3318031667 + ... + 3318031686.

Almost surely, 2^66360633530 is an apocalyptic number.

66360633530 is a deficient number, since it is larger than the sum of its proper divisors (53088506842).

66360633530 is a wasteful number, since it uses less digits than its factorization.

66360633530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636063360.

The product of its (nonzero) digits is 524880, while the sum is 41.

The spelling of 66360633530 in words is "sixty-six billion, three hundred sixty million, six hundred thirty-three thousand, five hundred thirty".