68484155556 has 12 divisors (see below), whose sum is σ = 159796362992. Its totient is φ = 22828051848.

The previous prime is 68484155533. The next prime is 68484155573. The reversal of 68484155556 is 65555148486.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 68484155496 and 68484155505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853506470 + ... + 2853506493.

Almost surely, 2^68484155556 is an apocalyptic number.

It is an amenable number.

68484155556 is an abundant number, since it is smaller than the sum of its proper divisors (91312207436).

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

68484155556 is a wasteful number, since it uses less digits than its factorization.

68484155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707012970 (or 5707012968 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 57.

The spelling of 68484155556 in words is "sixty-eight billion, four hundred eighty-four million, one hundred fifty-five thousand, five hundred fifty-six".