6845166780 has 24 divisors (see below), whose sum is σ = 19166467152. Its totient is φ = 1825377792.

The previous prime is 6845166763. The next prime is 6845166791. The reversal of 6845166780 is 876615486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57042997 + ... + 57043116.

It is an arithmetic number, because the mean of its divisors is an integer number (798602798).

Almost surely, 2^6845166780 is an apocalyptic number.

6845166780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6845166780 is an abundant number, since it is smaller than the sum of its proper divisors (12321300372).

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

6845166780 is a wasteful number, since it uses less digits than its factorization.

6845166780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114086125 (or 114086123 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 6845166780 is about 82735.5230841022. The cubic root of 6845166780 is about 1898.7218347148.

The spelling of 6845166780 in words is "six billion, eight hundred forty-five million, one hundred sixty-six thousand, seven hundred eighty".