168196886244 has 36 divisors (see below), whose sum is σ = 432134264380. Its totient is φ = 55146519360.

The previous prime is 168196886233. The next prime is 168196886257. The reversal of 168196886244 is 442688691861.

It can be written as a sum of positive squares in 2 ways, for example, as 33603289344 + 134593596900 = 183312^2 + 366870^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38293999 + ... + 38298390.

Almost surely, 2^168196886244 is an apocalyptic number.

It is an amenable number.

168196886244 is an abundant number, since it is smaller than the sum of its proper divisors (263937378136).

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

168196886244 is a wasteful number, since it uses less digits than its factorization.

168196886244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76592460 (or 76592455 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The spelling of 168196886244 in words is "one hundred sixty-eight billion, one hundred ninety-six million, eight hundred eighty-six thousand, two hundred forty-four".