6845066740187 has 16 divisors (see below), whose sum is σ = 7556441426688. Its totient is φ = 6160618507680.

The previous prime is 6845066740159. The next prime is 6845066740301. The reversal of 6845066740187 is 7810476605486.

It is a happy number.

It is not a de Polignac number, because 6845066740187 - 2⁶ = 6845066740123 is a prime.

It is a super-2 number, since 2×6845066740187² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6845066740487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10560239 + ... + 11189672.

It is an arithmetic number, because the mean of its divisors is an integer number (472277589168).

Almost surely, 2^{6845066740187} is an apocalyptic number.

6845066740187 is a deficient number, since it is larger than the sum of its proper divisors (711374686501).

6845066740187 is a wasteful number, since it uses less digits than its factorization.

6845066740187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21750530.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 6845066740187 in words is "six trillion, eight hundred forty-five billion, sixty-six million, seven hundred forty thousand, one hundred eighty-seven".