68941216 has 12 divisors (see below), whose sum is σ = 135728082. Its totient is φ = 34470592.

The previous prime is 68941199. The next prime is 68941219. The reversal of 68941216 is 61214986.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 10265616 = 7660^2 + 3204^2 .

It is not an unprimeable number, because it can be changed into a prime (68941219) 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 as a sum of consecutive naturals, namely, 1077175 + ... + 1077238.

Almost surely, 2^68941216 is an apocalyptic number.

It is an amenable number.

68941216 is a deficient number, since it is larger than the sum of its proper divisors (66786866).

68941216 is a wasteful number, since it uses less digits than its factorization.

68941216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154423 (or 2154415 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 68941216 is about 8303.0847279791. The cubic root of 68941216 is about 410.0400833308.

It can be divided in two parts, 689 and 41216, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 68941216 in words is "sixty-eight million, nine hundred forty-one thousand, two hundred sixteen".