66788580022 has 8 divisors (see below), whose sum is σ = 100267273656. Its totient is φ = 33366155472.

The previous prime is 66788579989. The next prime is 66788580073. The reversal of 66788580022 is 22008588766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14064303 + ... + 14069050.

It is an arithmetic number, because the mean of its divisors is an integer number (12533409207).

Almost surely, 2^66788580022 is an apocalyptic number.

66788580022 is a deficient number, since it is larger than the sum of its proper divisors (33478693634).

66788580022 is a wasteful number, since it uses less digits than its factorization.

66788580022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28134542.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 66788580022 in words is "sixty-six billion, seven hundred eighty-eight million, five hundred eighty thousand, twenty-two".