66827513182 has 4 divisors (see below), whose sum is σ = 100241269776. Its totient is φ = 33413756590.

The previous prime is 66827513153. The next prime is 66827513191. The reversal of 66827513182 is 28131572866.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16706878294 + ... + 16706878297.

It is an arithmetic number, because the mean of its divisors is an integer number (25060317444).

Almost surely, 2^66827513182 is an apocalyptic number.

66827513182 is a deficient number, since it is larger than the sum of its proper divisors (33413756594).

66827513182 is a wasteful number, since it uses less digits than its factorization.

66827513182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33413756593.

The product of its digits is 967680, while the sum is 49.

The spelling of 66827513182 in words is "sixty-six billion, eight hundred twenty-seven million, five hundred thirteen thousand, one hundred eighty-two".