168100644883900 has 18 divisors (see below), whose sum is σ = 364778399398280. Its totient is φ = 67240257953520.

The previous prime is 168100644883879. The next prime is 168100644883901. The reversal of 168100644883900 is 9388446001861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168100644883901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840503224320 + ... + 840503224519.

Almost surely, 2^{168100644883900} is an apocalyptic number.

168100644883900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168100644883900 is an abundant number, since it is smaller than the sum of its proper divisors (196677754514380).

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

168100644883900 is a wasteful number, since it uses less digits than its factorization.

168100644883900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681006448853 (or 1681006448846 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 168100644883900 in words is "one hundred sixty-eight trillion, one hundred billion, six hundred forty-four million, eight hundred eighty-three thousand, nine hundred".