6316111657 has 4 divisors (see below), whose sum is σ = 6316509780. Its totient is φ = 6315713536.

The previous prime is 6316111573. The next prime is 6316111663. The reversal of 6316111657 is 7561116136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3294300816 + 3021810841 = 57396^2 + 54971^2 .

It is a cyclic number.

It is not a de Polignac number, because 6316111657 - 2¹¹ = 6316109609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6316111687) 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 3 ways as a sum of consecutive naturals, for example, 174232 + ... + 207337.

It is an arithmetic number, because the mean of its divisors is an integer number (1579127445).

Almost surely, 2^6316111657 is an apocalyptic number.

It is an amenable number.

6316111657 is a deficient number, since it is larger than the sum of its proper divisors (398123).

6316111657 is a wasteful number, since it uses less digits than its factorization.

6316111657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398122.

The product of its digits is 22680, while the sum is 37.

The square root of 6316111657 is about 79473.9684236291. The cubic root of 6316111657 is about 1848.4878470700.

The spelling of 6316111657 in words is "six billion, three hundred sixteen million, one hundred eleven thousand, six hundred fifty-seven".