6728956167345 has 16 divisors (see below), whose sum is σ = 11332978808640. Its totient is φ = 3399893642304.

The previous prime is 6728956167337. The next prime is 6728956167407. The reversal of 6728956167345 is 5437616598276.

It is not a de Polignac number, because 6728956167345 - 2³ = 6728956167337 is a prime.

It is a super-2 number, since 2×6728956167345² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6728956167345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11805185974 + ... + 11805186543.

It is an arithmetic number, because the mean of its divisors is an integer number (708311175540).

Almost surely, 2^{6728956167345} is an apocalyptic number.

It is an amenable number.

6728956167345 is a deficient number, since it is larger than the sum of its proper divisors (4604022641295).

6728956167345 is a wasteful number, since it uses less digits than its factorization.

6728956167345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23610372544.

The product of its digits is 457228800, while the sum is 69.

The spelling of 6728956167345 in words is "six trillion, seven hundred twenty-eight billion, nine hundred fifty-six million, one hundred sixty-seven thousand, three hundred forty-five".