68111544 has 16 divisors (see below), whose sum is σ = 170278920. Its totient is φ = 22703840.

The previous prime is 68111539. The next prime is 68111569. The reversal of 68111544 is 44511186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418967 + ... + 1419014.

Almost surely, 2^68111544 is an apocalyptic number.

It is an amenable number.

68111544 is an abundant number, since it is smaller than the sum of its proper divisors (102167376).

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

68111544 is a wasteful number, since it uses less digits than its factorization.

68111544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837990 (or 2837986 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 68111544 is about 8252.9718283779. The cubic root of 68111544 is about 408.3885667707.

The spelling of 68111544 in words is "sixty-eight million, one hundred eleven thousand, five hundred forty-four".