6716521270671 has 16 divisors (see below), whose sum is σ = 9426966531840. Its totient is φ = 4241891928960.

The previous prime is 6716521270661. The next prime is 6716521270681. The reversal of 6716521270671 is 1760721256176.

It is a happy number.

6716521270671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6716521270661) and next prime (6716521270681).

It is not a de Polignac number, because 6716521270671 - 2⁶ = 6716521270607 is a prime.

It is a super-2 number, since 2×6716521270671² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716521270651) 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, 341086 + ... + 3680948.

It is an arithmetic number, because the mean of its divisors is an integer number (589185408240).

Almost surely, 2^{6716521270671} is an apocalyptic number.

6716521270671 is a deficient number, since it is larger than the sum of its proper divisors (2710445261169).

6716521270671 is a wasteful number, since it uses less digits than its factorization.

6716521270671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375166.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 6716521270671 in words is "six trillion, seven hundred sixteen billion, five hundred twenty-one million, two hundred seventy thousand, six hundred seventy-one".