66170457182 has 4 divisors (see below), whose sum is σ = 99255685776. Its totient is φ = 33085228590.

The previous prime is 66170457151. The next prime is 66170457203. The reversal of 66170457182 is 28175407166.

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

It is a super-2 number, since 2×66170457182² (a number of 22 digits) contains 22 as substring.

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, 16542614294 + ... + 16542614297.

It is an arithmetic number, because the mean of its divisors is an integer number (24813921444).

Almost surely, 2^66170457182 is an apocalyptic number.

66170457182 is a deficient number, since it is larger than the sum of its proper divisors (33085228594).

66170457182 is a wasteful number, since it uses less digits than its factorization.

66170457182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33085228593.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 66170457182 in words is "sixty-six billion, one hundred seventy million, four hundred fifty-seven thousand, one hundred eighty-two".