6855544674651 has 16 divisors (see below), whose sum is σ = 9679406227488. Its totient is φ = 4301078131200.

The previous prime is 6855544674637. The next prime is 6855544674661. The reversal of 6855544674651 is 1564764455586.

It is not a de Polignac number, because 6855544674651 - 2⁷ = 6855544674523 is a prime.

It is a super-2 number, since 2×6855544674651² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6855544674661) 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, 6372780 + ... + 7370441.

It is an arithmetic number, because the mean of its divisors is an integer number (604962889218).

Almost surely, 2^{6855544674651} is an apocalyptic number.

6855544674651 is a deficient number, since it is larger than the sum of its proper divisors (2823861552837).

6855544674651 is a wasteful number, since it uses less digits than its factorization.

6855544674651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753022.

The product of its digits is 483840000, while the sum is 66.

The spelling of 6855544674651 in words is "six trillion, eight hundred fifty-five billion, five hundred forty-four million, six hundred seventy-four thousand, six hundred fifty-one".