66700363637 has 8 divisors (see below), whose sum is σ = 67508747040. Its totient is φ = 65892093840.

The previous prime is 66700363601. The next prime is 66700363643. The reversal of 66700363637 is 73636300766.

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

It is a cyclic number.

It is not a de Polignac number, because 66700363637 - 2¹⁰ = 66700362613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66700363591 and 66700363600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66700363657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271314 + ... + 2300492.

It is an arithmetic number, because the mean of its divisors is an integer number (8438593380).

Almost surely, 2^66700363637 is an apocalyptic number.

It is an amenable number.

66700363637 is a deficient number, since it is larger than the sum of its proper divisors (808383403).

66700363637 is a wasteful number, since it uses less digits than its factorization.

66700363637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56803.

The product of its (nonzero) digits is 1714608, while the sum is 47.

The spelling of 66700363637 in words is "sixty-six billion, seven hundred million, three hundred sixty-three thousand, six hundred thirty-seven".