66108703248 has 60 divisors (see below), whose sum is σ = 211442919168. Its totient is φ = 18888200640.

The previous prime is 66108703217. The next prime is 66108703259. The reversal of 66108703248 is 84230780166.

66108703248 is a `hidden beast` number, since 6 + 610 + 8 + 7 + 0 + 3 + 24 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32791008 + ... + 32793023.

Almost surely, 2^66108703248 is an apocalyptic number.

It is an amenable number.

66108703248 is an abundant number, since it is smaller than the sum of its proper divisors (145334215920).

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

66108703248 is a wasteful number, since it uses less digits than its factorization.

66108703248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65584052 (or 65584043 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 66108703248 in words is "sixty-six billion, one hundred eight million, seven hundred three thousand, two hundred forty-eight".