66753164885 has 8 divisors (see below), whose sum is σ = 87385961376. Its totient is φ = 48547756240.

The previous prime is 66753164879. The next prime is 66753164939. The reversal of 66753164885 is 58846135766.

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

It is not a de Polignac number, because 66753164885 - 2⁸ = 66753164629 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 606846899 + ... + 606847008.

It is an arithmetic number, because the mean of its divisors is an integer number (10923245172).

Almost surely, 2^66753164885 is an apocalyptic number.

It is an amenable number.

66753164885 is a deficient number, since it is larger than the sum of its proper divisors (20632796491).

66753164885 is a wasteful number, since it uses less digits than its factorization.

66753164885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213693923.

The product of its digits is 29030400, while the sum is 59.

The spelling of 66753164885 in words is "sixty-six billion, seven hundred fifty-three million, one hundred sixty-four thousand, eight hundred eighty-five".