68271916 has 24 divisors (see below), whose sum is σ = 123984000. Its totient is φ = 32855424.

The previous prime is 68271901. The next prime is 68271937. The reversal of 68271916 is 61917286.

It is a super-2 number, since 2×68271916² = 9322109028622112, which contains 22 as substring.

It is an unprimeable number.

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, 46725 + ... + 48163.

It is an arithmetic number, because the mean of its divisors is an integer number (5166000).

Almost surely, 2^68271916 is an apocalyptic number.

It is an amenable number.

68271916 is a deficient number, since it is larger than the sum of its proper divisors (55712084).

68271916 is a wasteful number, since it uses less digits than its factorization.

68271916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1879 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 68271916 is about 8262.6821311243. The cubic root of 68271916 is about 408.7088392311.

The spelling of 68271916 in words is "sixty-eight million, two hundred seventy-one thousand, nine hundred sixteen".