3161663425 has 6 divisors (see below), whose sum is σ = 3920462678. Its totient is φ = 2529330720.

The previous prime is 3161663423. The next prime is 3161663429. The reversal of 3161663425 is 5243661613.

It can be written as a sum of positive squares in 3 ways, for example, as 122567041 + 3039096384 = 11071^2 + 55128^2 .

It is not a de Polignac number, because 3161663425 - 2¹ = 3161663423 is a prime.

It is a super-2 number, since 2×3161663425² = 19992231225965461250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161663423) 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 5 ways as a sum of consecutive naturals, for example, 63233244 + ... + 63233293.

Almost surely, 2^3161663425 is an apocalyptic number.

It is an amenable number.

3161663425 is a deficient number, since it is larger than the sum of its proper divisors (758799253).

3161663425 is a wasteful number, since it uses less digits than its factorization.

3161663425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126466547 (or 126466542 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 3161663425 is about 56228.6708450413. The cubic root of 3161663425 is about 1467.7042272317.

The spelling of 3161663425 in words is "three billion, one hundred sixty-one million, six hundred sixty-three thousand, four hundred twenty-five".