6845144121168 has 20 divisors (see below), whose sum is σ = 17683288979808. Its totient is φ = 2281714707040.

The previous prime is 6845144121157. The next prime is 6845144121209. The reversal of 6845144121168 is 8611214415486.

It is a self number, because there is not a number n which added to its sum of digits gives 6845144121168.

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, 71303584548 + ... + 71303584643.

Almost surely, 2^{6845144121168} is an apocalyptic number.

It is an amenable number.

6845144121168 is an abundant number, since it is smaller than the sum of its proper divisors (10838144858640).

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

6845144121168 is a wasteful number, since it uses less digits than its factorization.

6845144121168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142607169202 (or 142607169196 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 51.

The spelling of 6845144121168 in words is "six trillion, eight hundred forty-five billion, one hundred forty-four million, one hundred twenty-one thousand, one hundred sixty-eight".