68066180280 has 192 divisors, whose sum is σ = 263930292000. Its totient is φ = 15557971968.

The previous prime is 68066180267. The next prime is 68066180323. The reversal of 68066180280 is 8208166086.

68066180280 is a `hidden beast` number, since 6 + 8 + 0 + 6 + 618 + 0 + 28 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 590185 + ... + 696024.

Almost surely, 2^68066180280 is an apocalyptic number.

68066180280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68066180280 is an abundant number, since it is smaller than the sum of its proper divisors (195864111720).

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

68066180280 is a wasteful number, since it uses less digits than its factorization.

68066180280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286243 (or 1286226 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 68066180280 in words is "sixty-eight billion, sixty-six million, one hundred eighty thousand, two hundred eighty".