68531754437166 has 16 divisors (see below), whose sum is σ = 137405313140688. Its totient is φ = 22786950768000.

The previous prime is 68531754437143. The next prime is 68531754437221. The reversal of 68531754437166 is 66173445713586.

It is a super-2 number, since 2×68531754437166² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68531754437097 and 68531754437106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14241841825 + ... + 14241846636.

It is an arithmetic number, because the mean of its divisors is an integer number (8587832071293).

Almost surely, 2^{68531754437166} is an apocalyptic number.

68531754437166 is an abundant number, since it is smaller than the sum of its proper divisors (68873558703522).

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

68531754437166 is a wasteful number, since it uses less digits than its factorization.

68531754437166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28483688867.

The product of its digits is 304819200, while the sum is 66.

The spelling of 68531754437166 in words is "sixty-eight trillion, five hundred thirty-one billion, seven hundred fifty-four million, four hundred thirty-seven thousand, one hundred sixty-six".