66000171192 has 128 divisors (see below), whose sum is σ = 168565017600. Its totient is φ = 21531414528.

The previous prime is 66000171179. The next prime is 66000171227. The reversal of 66000171192 is 29117100066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131212813 + ... + 131213315.

It is an arithmetic number, because the mean of its divisors is an integer number (1316914200).

Almost surely, 2^66000171192 is an apocalyptic number.

It is an amenable number.

66000171192 is an abundant number, since it is smaller than the sum of its proper divisors (102564846408).

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

66000171192 is a wasteful number, since it uses less digits than its factorization.

66000171192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The spelling of 66000171192 in words is "sixty-six billion, one hundred seventy-one thousand, one hundred ninety-two".