4160854781 has 2 divisors, whose sum is σ = 4160854782. Its totient is φ = 4160854780.

The previous prime is 4160854757. The next prime is 4160854787. The reversal of 4160854781 is 1874580614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2794073881 + 1366780900 = 52859^2 + 36970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4160854781 is a prime.

It is a super-2 number, since 2×4160854781² = 34625425017141115922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4160854787) 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, 2080427390 + 2080427391.

It is an arithmetic number, because the mean of its divisors is an integer number (2080427391).

Almost surely, 2^4160854781 is an apocalyptic number.

It is an amenable number.

4160854781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160854781 is an equidigital number, since it uses as much as digits as its factorization.

4160854781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 4160854781 is about 64504.6880544352. The cubic root of 4160854781 is about 1608.4004510194.

The spelling of 4160854781 in words is "four billion, one hundred sixty million, eight hundred fifty-four thousand, seven hundred eighty-one".