6845161173340 has 144 divisors (see below), whose sum is σ = 17293360279104. Its totient is φ = 2228834764800.

The previous prime is 6845161173271. The next prime is 6845161173349. The reversal of 6845161173340 is 433711615486.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845161173349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6705600 + ... + 7658680.

It is an arithmetic number, because the mean of its divisors is an integer number (120092779716).

Almost surely, 2^{6845161173340} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845161173340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8646680139552).

6845161173340 is an abundant number, since it is smaller than the sum of its proper divisors (10448199105764).

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

6845161173340 is a wasteful number, since it uses less digits than its factorization.

6845161173340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953216 (or 953185 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 6845161173340 in words is "six trillion, eight hundred forty-five billion, one hundred sixty-one million, one hundred seventy-three thousand, three hundred forty".