68816060 has 24 divisors (see below), whose sum is σ = 145844160. Its totient is φ = 27273024.

The previous prime is 68816021. The next prime is 68816089. The reversal of 68816060 is 6061886.

It is a super-2 number, since 2×68816060² = 9471300227847200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68816060.

It is a congruent number.

It is an unprimeable number.

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, 13604 + ... + 17963.

It is an arithmetic number, because the mean of its divisors is an integer number (6076840).

Almost surely, 2^68816060 is an apocalyptic number.

It is an amenable number.

68816060 is an abundant number, since it is smaller than the sum of its proper divisors (77028100).

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

68816060 is a wasteful number, since it uses less digits than its factorization.

68816060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31685 (or 31683 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68816060 is about 8295.5445873071. The cubic root of 68816060 is about 409.7918038745.

The spelling of 68816060 in words is "sixty-eight million, eight hundred sixteen thousand, sixty".