6687674058261 has 32 divisors (see below), whose sum is σ = 10556591673600. Its totient is φ = 3686428753920.

The previous prime is 6687674058229. The next prime is 6687674058269. The reversal of 6687674058261 is 1628504767866.

It is not a de Polignac number, because 6687674058261 - 2⁵ = 6687674058229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6687674058192 and 6687674058201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6687674058269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43560076 + ... + 43713333.

It is an arithmetic number, because the mean of its divisors is an integer number (329893489800).

Almost surely, 2^{6687674058261} is an apocalyptic number.

It is an amenable number.

6687674058261 is a deficient number, since it is larger than the sum of its proper divisors (3868917615339).

6687674058261 is a wasteful number, since it uses less digits than its factorization.

6687674058261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87273549.

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 6687674058261 in words is "six trillion, six hundred eighty-seven billion, six hundred seventy-four million, fifty-eight thousand, two hundred sixty-one".