68755156554 has 32 divisors (see below), whose sum is σ = 159730955136. Its totient is φ = 19322291520.

The previous prime is 68755156529. The next prime is 68755156573. The reversal of 68755156554 is 45565155786.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 68755156494 and 68755156503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13415697 + ... + 13420820.

It is an arithmetic number, because the mean of its divisors is an integer number (4991592348).

Almost surely, 2^68755156554 is an apocalyptic number.

68755156554 is an abundant number, since it is smaller than the sum of its proper divisors (90975798582).

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

68755156554 is a wasteful number, since it uses less digits than its factorization.

68755156554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836590.

The product of its digits is 25200000, while the sum is 57.

The spelling of 68755156554 in words is "sixty-eight billion, seven hundred fifty-five million, one hundred fifty-six thousand, five hundred fifty-four".