4164851557 has 2 divisors, whose sum is σ = 4164851558. Its totient is φ = 4164851556.

The previous prime is 4164851549. The next prime is 4164851567. The reversal of 4164851557 is 7551584614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3923017956 + 241833601 = 62634^2 + 15551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4164851557 - 2³ = 4164851549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4164851567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082425778 + 2082425779.

It is an arithmetic number, because the mean of its divisors is an integer number (2082425779).

Almost surely, 2^4164851557 is an apocalyptic number.

It is an amenable number.

4164851557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4164851557 is an equidigital number, since it uses as much as digits as its factorization.

4164851557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 46.

The square root of 4164851557 is about 64535.6611262331. The cubic root of 4164851557 is about 1608.9152778560.

The spelling of 4164851557 in words is "four billion, one hundred sixty-four million, eight hundred fifty-one thousand, five hundred fifty-seven".