66100670345 has 8 divisors (see below), whose sum is σ = 79472472576. Its totient is φ = 52779424176.

The previous prime is 66100670281. The next prime is 66100670351. The reversal of 66100670345 is 54307600166.

It is a happy number.

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 66100670345 - 2⁶ = 66100670281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66100670299 and 66100670308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12636137 + ... + 12641366.

It is an arithmetic number, because the mean of its divisors is an integer number (9934059072).

Almost surely, 2^66100670345 is an apocalyptic number.

It is an amenable number.

66100670345 is a deficient number, since it is larger than the sum of its proper divisors (13371802231).

66100670345 is a wasteful number, since it uses less digits than its factorization.

66100670345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25278031.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 66100670345 in words is "sixty-six billion, one hundred million, six hundred seventy thousand, three hundred forty-five".