3126161057 has 2 divisors, whose sum is σ = 3126161058. Its totient is φ = 3126161056.

The previous prime is 3126161041. The next prime is 3126161083. The reversal of 3126161057 is 7501616213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505603136 + 620557921 = 50056^2 + 24911^2 .

It is a cyclic number.

It is not a de Polignac number, because 3126161057 - 2⁴ = 3126161041 is a prime.

It is not a weakly prime, because it can be changed into another prime (3126161557) 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 as a sum of consecutive naturals, namely, 1563080528 + 1563080529.

It is an arithmetic number, because the mean of its divisors is an integer number (1563080529).

Almost surely, 2^3126161057 is an apocalyptic number.

It is an amenable number.

3126161057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126161057 is an equidigital number, since it uses as much as digits as its factorization.

3126161057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 3126161057 is about 55912.0832825964. The cubic root of 3126161057 is about 1462.1899107543.

The spelling of 3126161057 in words is "three billion, one hundred twenty-six million, one hundred sixty-one thousand, fifty-seven".