6146731161 has 12 divisors (see below), whose sum is σ = 8960068260. Its totient is φ = 4060225440.

The previous prime is 6146731139. The next prime is 6146731169. The reversal of 6146731161 is 1611376416.

6146731161 is a `hidden beast` number, since 6 + 1 + 467 + 31 + 161 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3131073936 + 3015657225 = 55956^2 + 54915^2 .

It is not a de Polignac number, because 6146731161 - 2²² = 6142536857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6146731169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3131910 + ... + 3133871.

It is an arithmetic number, because the mean of its divisors is an integer number (746672355).

Almost surely, 2^6146731161 is an apocalyptic number.

It is an amenable number.

6146731161 is a deficient number, since it is larger than the sum of its proper divisors (2813337099).

6146731161 is a wasteful number, since it uses less digits than its factorization.

6146731161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265896 (or 6265893 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6146731161 is about 78401.0915804110. The cubic root of 6146731161 is about 1831.8141366752.

The spelling of 6146731161 in words is "six billion, one hundred forty-six million, seven hundred thirty-one thousand, one hundred sixty-one".