66797001168 has 20 divisors (see below), whose sum is σ = 172558919808. Its totient is φ = 22265667040.

The previous prime is 66797001151. The next prime is 66797001221. The reversal of 66797001168 is 86110079766.

It is a self number, because there is not a number n which added to its sum of digits gives 66797001168.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695802048 + ... + 695802143.

Almost surely, 2^66797001168 is an apocalyptic number.

It is an amenable number.

66797001168 is an abundant number, since it is smaller than the sum of its proper divisors (105761918640).

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

66797001168 is a wasteful number, since it uses less digits than its factorization.

66797001168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391604202 (or 1391604196 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 66797001168 in words is "sixty-six billion, seven hundred ninety-seven million, one thousand, one hundred sixty-eight".