6516181151 has 8 divisors (see below), whose sum is σ = 6605474304. Its totient is φ = 6427481760.

The previous prime is 6516181099. The next prime is 6516181153. The reversal of 6516181151 is 1511816156.

6516181151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6516181151 - 2²² = 6511986847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6516181153) 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, 126320 + ... + 170261.

It is an arithmetic number, because the mean of its divisors is an integer number (825684288).

Almost surely, 2^6516181151 is an apocalyptic number.

6516181151 is a deficient number, since it is larger than the sum of its proper divisors (89293153).

6516181151 is a wasteful number, since it uses less digits than its factorization.

6516181151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296881.

The product of its digits is 7200, while the sum is 35.

The square root of 6516181151 is about 80722.8663452928. The cubic root of 6516181151 is about 1867.8029188908.

The spelling of 6516181151 in words is "six billion, five hundred sixteen million, one hundred eighty-one thousand, one hundred fifty-one".