68311416 has 32 divisors (see below), whose sum is σ = 172702800. Its totient is φ = 22513920.

The previous prime is 68311349. The next prime is 68311417. The reversal of 68311416 is 61411386.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68311417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13855 + ... + 18126.

Almost surely, 2^68311416 is an apocalyptic number.

It is an amenable number.

68311416 is an abundant number, since it is smaller than the sum of its proper divisors (104391384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68311416 is a wasteful number, since it uses less digits than its factorization.

68311416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32079 (or 32075 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 68311416 is about 8265.0720505026. The cubic root of 68311416 is about 408.7876460945.

Subtracting from 68311416 its sum of digits (30), we obtain a palindrome (68311386).

The spelling of 68311416 in words is "sixty-eight million, three hundred eleven thousand, four hundred sixteen".