6657251316 has 24 divisors (see below), whose sum is σ = 15730216320. Its totient is φ = 2190993792.

The previous prime is 6657251309. The next prime is 6657251317. The reversal of 6657251316 is 6131527566.

It is a super-3 number, since 3×6657251316³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657251317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3510261 + ... + 3512156.

It is an arithmetic number, because the mean of its divisors is an integer number (655425680).

Almost surely, 2^6657251316 is an apocalyptic number.

It is an amenable number.

6657251316 is an abundant number, since it is smaller than the sum of its proper divisors (9072965004).

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

6657251316 is a wasteful number, since it uses less digits than its factorization.

6657251316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022503 (or 7022501 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 6657251316 is about 81591.9807088907. The cubic root of 6657251316 is about 1881.1856219056.

The spelling of 6657251316 in words is "six billion, six hundred fifty-seven million, two hundred fifty-one thousand, three hundred sixteen".