6900681667671 has 24 divisors (see below), whose sum is σ = 11224569208320. Its totient is φ = 4047320624400.

The previous prime is 6900681667651. The next prime is 6900681667679. The reversal of 6900681667671 is 1767661860096.

It is not a de Polignac number, because 6900681667671 - 2²⁹ = 6900144796759 is a prime.

It is a super-2 number, since 2×6900681667671² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6900681667599 and 6900681667608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900681667679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1124252661 + ... + 1124258798.

It is an arithmetic number, because the mean of its divisors is an integer number (467690383680).

Almost surely, 2^{6900681667671} is an apocalyptic number.

6900681667671 is a deficient number, since it is larger than the sum of its proper divisors (4323887540649).

6900681667671 is a wasteful number, since it uses less digits than its factorization.

6900681667671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248511507 (or 2248511504 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 6900681667671 in words is "six trillion, nine hundred billion, six hundred eighty-one million, six hundred sixty-seven thousand, six hundred seventy-one".