68195560 has 64 divisors (see below), whose sum is σ = 164275200. Its totient is φ = 25401600.

The previous prime is 68195531. The next prime is 68195581. The reversal of 68195560 is 6559186.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45625 + ... + 47095.

It is an arithmetic number, because the mean of its divisors is an integer number (2566800).

Almost surely, 2^68195560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68195560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82137600).

68195560 is an abundant number, since it is smaller than the sum of its proper divisors (96079640).

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

68195560 is a wasteful number, since it uses less digits than its factorization.

68195560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 68195560 is about 8258.0603049384. The cubic root of 68195560 is about 408.5564143620.

The spelling of 68195560 in words is "sixty-eight million, one hundred ninety-five thousand, five hundred sixty".