8361168945 has 16 divisors (see below), whose sum is σ = 13459947072. Its totient is φ = 4431931200.

The previous prime is 8361168929. The next prime is 8361168979. The reversal of 8361168945 is 5498611638.

It is not a de Polignac number, because 8361168945 - 2⁴ = 8361168929 is a prime.

It is a super-2 number, since 2×8361168945² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707406 + ... + 1712295.

It is an arithmetic number, because the mean of its divisors is an integer number (841246692).

Almost surely, 2^8361168945 is an apocalyptic number.

It is an amenable number.

8361168945 is a deficient number, since it is larger than the sum of its proper divisors (5098778127).

8361168945 is a wasteful number, since it uses less digits than its factorization.

8361168945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419872.

The product of its digits is 1244160, while the sum is 51.

The square root of 8361168945 is about 91439.4277377106. The cubic root of 8361168945 is about 2029.6555139522.

The spelling of 8361168945 in words is "eight billion, three hundred sixty-one million, one hundred sixty-eight thousand, nine hundred forty-five".