7168858881 has 16 divisors (see below), whose sum is σ = 9587600640. Its totient is φ = 4764702080.

The previous prime is 7168858861. The next prime is 7168858913. The reversal of 7168858881 is 1888588617.

It is a cyclic number.

It is not a de Polignac number, because 7168858881 - 2⁵ = 7168858849 is a prime.

It is a super-2 number, since 2×7168858881² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7168858861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604056 + ... + 1608518.

It is an arithmetic number, because the mean of its divisors is an integer number (599225040).

Almost surely, 2^7168858881 is an apocalyptic number.

It is an amenable number.

7168858881 is a deficient number, since it is larger than the sum of its proper divisors (2418741759).

7168858881 is a wasteful number, since it uses less digits than its factorization.

7168858881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976.

The product of its digits is 6881280, while the sum is 60.

The square root of 7168858881 is about 84669.1140912671. The cubic root of 7168858881 is about 1928.1908181380.

The spelling of 7168858881 in words is "seven billion, one hundred sixty-eight million, eight hundred fifty-eight thousand, eight hundred eighty-one".