68156802600 has 96 divisors (see below), whose sum is σ = 211791132000. Its totient is φ = 18131703040.

The previous prime is 68156802587. The next prime is 68156802607. The reversal of 68156802600 is 620865186.

It is not an unprimeable number, because it can be changed into a prime (68156802607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115846 + ... + 386954.

It is an arithmetic number, because the mean of its divisors is an integer number (2206157625).

Almost surely, 2^68156802600 is an apocalyptic number.

68156802600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68156802600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105895566000).

68156802600 is an abundant number, since it is smaller than the sum of its proper divisors (143634329400).

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

68156802600 is a wasteful number, since it uses less digits than its factorization.

68156802600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271547 (or 271538 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 68156802600 in words is "sixty-eight billion, one hundred fifty-six million, eight hundred two thousand, six hundred".