68451667800 has 48 divisors (see below), whose sum is σ = 212200172040. Its totient is φ = 18253777920.

The previous prime is 68451667799. The next prime is 68451667813. The reversal of 68451667800 is 876615486.

68451667800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57042457 + ... + 57043656.

Almost surely, 2^68451667800 is an apocalyptic number.

68451667800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68451667800 is an abundant number, since it is smaller than the sum of its proper divisors (143748504240).

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

68451667800 is a wasteful number, since it uses less digits than its factorization.

68451667800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114086132 (or 114086123 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 68451667800 in words is "sixty-eight billion, four hundred fifty-one million, six hundred sixty-seven thousand, eight hundred".