2168858041 has 9 divisors (see below), whose sum is σ = 2523336591. Its totient is φ = 1858741752.

The previous prime is 2168858033. The next prime is 2168858047. The reversal of 2168858041 is 1408588612.

The square root of 2168858041 is 46571.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52490025 + 2116368016 = 7245^2 + 46004^2 .

It is not a de Polignac number, because 2168858041 - 2³ = 2168858033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2168858047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 322671 + ... + 329323.

Almost surely, 2^2168858041 is an apocalyptic number.

2168858041 is the 46571-st square number.

2168858041 is the 23286-th centered octagonal number.

It is an amenable number.

2168858041 is a deficient number, since it is larger than the sum of its proper divisors (354478550).

2168858041 is an frugal number, since it uses more digits than its factorization.

2168858041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The cubic root of 2168858041 is about 1294.4254475853.

The spelling of 2168858041 in words is "two billion, one hundred sixty-eight million, eight hundred fifty-eight thousand, forty-one".