6517162149121 has 8 divisors (see below), whose sum is σ = 7022113217000. Its totient is φ = 6012729781632.

The previous prime is 6517162149107. The next prime is 6517162149143. The reversal of 6517162149121 is 1219412617156.

It can be written as a sum of positive squares in 4 ways, for example, as 1626872189121 + 4890289960000 = 1275489^2 + 2211400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6517162149121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6517162449121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129648996 + ... + 129699253.

It is an arithmetic number, because the mean of its divisors is an integer number (877764152125).

Almost surely, 2^{6517162149121} is an apocalyptic number.

It is an amenable number.

6517162149121 is a deficient number, since it is larger than the sum of its proper divisors (504951067879).

6517162149121 is a wasteful number, since it uses less digits than its factorization.

6517162149121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259350195.

The product of its digits is 181440, while the sum is 46.

The spelling of 6517162149121 in words is "six trillion, five hundred seventeen billion, one hundred sixty-two million, one hundred forty-nine thousand, one hundred twenty-one".