168834626438861 has 32 divisors (see below), whose sum is σ = 175141302755328. Its totient is φ = 162643811420160.

The previous prime is 168834626438839. The next prime is 168834626438869.

168834626438861 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-168834626438861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168834626438869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442348680 + ... + 2442417806.

It is an arithmetic number, because the mean of its divisors is an integer number (5473165711104).

Almost surely, 2^{168834626438861} is an apocalyptic number.

It is an amenable number.

168834626438861 is a deficient number, since it is larger than the sum of its proper divisors (6306676316467).

168834626438861 is a wasteful number, since it uses less digits than its factorization.

168834626438861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71261.

The product of its digits is 1528823808, while the sum is 74.

The spelling of 168834626438861 in words is "one hundred sixty-eight trillion, eight hundred thirty-four billion, six hundred twenty-six million, four hundred thirty-eight thousand, eight hundred sixty-one".