66674068008 has 32 divisors (see below), whose sum is σ = 166725787200. Its totient is φ = 22219273728.

The previous prime is 66674067989. The next prime is 66674068039. The reversal of 66674068008 is 80086047666.

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, 237316 + ... + 435507.

It is an arithmetic number, because the mean of its divisors is an integer number (5210180850).

Almost surely, 2^66674068008 is an apocalyptic number.

It is an amenable number.

66674068008 is an abundant number, since it is smaller than the sum of its proper divisors (100051719192).

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

66674068008 is a wasteful number, since it uses less digits than its factorization.

66674068008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676961 (or 676957 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 66674068008 in words is "sixty-six billion, six hundred seventy-four million, sixty-eight thousand, eight".