6667172171652 has 48 divisors (see below), whose sum is σ = 16385323102400. Its totient is φ = 2104161183360.

The previous prime is 6667172171533. The next prime is 6667172171683. The reversal of 6667172171652 is 2561712717666.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 6667172171592 and 6667172171601.

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 15 ways as a sum of consecutive naturals, for example, 8379799 + ... + 9140862.

Almost surely, 2^{6667172171652} is an apocalyptic number.

It is an amenable number.

6667172171652 is an abundant number, since it is smaller than the sum of its proper divisors (9718150930748).

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

6667172171652 is a wasteful number, since it uses less digits than its factorization.

6667172171652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17522356 (or 17522354 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 57.

The spelling of 6667172171652 in words is "six trillion, six hundred sixty-seven billion, one hundred seventy-two million, one hundred seventy-one thousand, six hundred fifty-two".