6416565131 has 2 divisors, whose sum is σ = 6416565132. Its totient is φ = 6416565130.

The previous prime is 6416565109. The next prime is 6416565137. The reversal of 6416565131 is 1315656146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6416565131 - 2¹⁰ = 6416564107 is a prime.

It is a super-2 number, since 2×6416565131² = 82344616160730094322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6416565137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208282565 + 3208282566.

It is an arithmetic number, because the mean of its divisors is an integer number (3208282566).

Almost surely, 2^6416565131 is an apocalyptic number.

6416565131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416565131 is an equidigital number, since it uses as much as digits as its factorization.

6416565131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 6416565131 is about 80103.4651622513. The cubic root of 6416565131 is about 1858.2359977243.

The spelling of 6416565131 in words is "six billion, four hundred sixteen million, five hundred sixty-five thousand, one hundred thirty-one".