68611600 has 30 divisors (see below), whose sum is σ = 164840330. Its totient is φ = 27444480.

The previous prime is 68611597. The next prime is 68611607. The reversal of 68611600 is 611686.

It can be written as a sum of positive squares in 3 ways, for example, as 2547216 + 66064384 = 1596^2 + 8128^2 .

It is not an unprimeable number, because it can be changed into a prime (68611607) 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 5 ways as a sum of consecutive naturals, for example, 85365 + ... + 86164.

Almost surely, 2^68611600 is an apocalyptic number.

It is an amenable number.

68611600 is an abundant number, since it is smaller than the sum of its proper divisors (96228730).

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

68611600 is a wasteful number, since it uses less digits than its factorization.

68611600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171547 (or 171536 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 68611600 is about 8283.2119374069. The cubic root of 68611600 is about 409.3855559308.

The spelling of 68611600 in words is "sixty-eight million, six hundred eleven thousand, six hundred".