168100044 has 24 divisors (see below), whose sum is σ = 448267008. Its totient is φ = 48028560.

The previous prime is 168100039. The next prime is 168100069. The reversal of 168100044 is 440001861.

It is a junction number, because it is equal to n+sod(n) for n = 168099987 and 168100023.

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, 1000512 + ... + 1000679.

It is an arithmetic number, because the mean of its divisors is an integer number (18677792).

Almost surely, 2^168100044 is an apocalyptic number.

168100044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168100044 is an abundant number, since it is smaller than the sum of its proper divisors (280166964).

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

168100044 is a wasteful number, since it uses less digits than its factorization.

168100044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001205 (or 2001203 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 168100044 is about 12965.3401035222. The cubic root of 168100044 is about 551.8943428317.

The spelling of 168100044 in words is "one hundred sixty-eight million, one hundred thousand, forty-four".