66700060637 has 8 divisors (see below), whose sum is σ = 77478291072. Its totient is φ = 56234242800.

The previous prime is 66700060601. The next prime is 66700060649. The reversal of 66700060637 is 73606000766.

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 66700060637 - 2²⁴ = 66683283421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66700060594 and 66700060603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66700060667) 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, 78102689 + ... + 78103542.

It is an arithmetic number, because the mean of its divisors is an integer number (9684786384).

Almost surely, 2^66700060637 is an apocalyptic number.

It is an amenable number.

66700060637 is a deficient number, since it is larger than the sum of its proper divisors (10778230435).

66700060637 is a wasteful number, since it uses less digits than its factorization.

66700060637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156206299.

The product of its (nonzero) digits is 190512, while the sum is 41.

The spelling of 66700060637 in words is "sixty-six billion, seven hundred million, sixty thousand, six hundred thirty-seven".