7168881 has 8 divisors (see below), whose sum is σ = 9584640. Its totient is φ = 4766192.

The previous prime is 7168877. The next prime is 7168897. The reversal of 7168881 is 1888617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7168881 - 2² = 7168877 is a prime.

It is a super-2 number, since 2×7168881² = 102785709584322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7168841) 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 7 ways as a sum of consecutive naturals, for example, 1905 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (1198080).

Almost surely, 2^7168881 is an apocalyptic number.

It is an amenable number.

7168881 is a deficient number, since it is larger than the sum of its proper divisors (2415759).

7168881 is a wasteful number, since it uses less digits than its factorization.

7168881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535.

The product of its digits is 21504, while the sum is 39.

The square root of 7168881 is about 2677.4766105421. The cubic root of 7168881 is about 192.8192801234.

The spelling of 7168881 in words is "seven million, one hundred sixty-eight thousand, eight hundred eighty-one".