6517667156 has 96 divisors (see below), whose sum is σ = 15603694848. Its totient is φ = 2299714560.

The previous prime is 6517667153. The next prime is 6517667173.

6517667156 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6517667156² = 84959970312802256672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6517667153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196856 + ... + 227568.

It is an arithmetic number, because the mean of its divisors is an integer number (162538488).

Almost surely, 2^6517667156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6517667156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7801847424).

6517667156 is an abundant number, since it is smaller than the sum of its proper divisors (9086027692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6517667156 is a wasteful number, since it uses less digits than its factorization.

6517667156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30801 (or 30799 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 6517667156 is about 80732.0701827966. The cubic root of 6517667156 is about 1867.9448912849.

The spelling of 6517667156 in words is "six billion, five hundred seventeen million, six hundred sixty-seven thousand, one hundred fifty-six".