168944541 has 8 divisors (see below), whose sum is σ = 225828384. Its totient is φ = 112345200.

The previous prime is 168944537. The next prime is 168944551. The reversal of 168944541 is 145449861.

168944541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168944541 - 2² = 168944537 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 168944493 and 168944502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168944551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69735 + ... + 72116.

It is an arithmetic number, because the mean of its divisors is an integer number (28228548).

Almost surely, 2^168944541 is an apocalyptic number.

It is an amenable number.

168944541 is a deficient number, since it is larger than the sum of its proper divisors (56883843).

168944541 is a wasteful number, since it uses less digits than its factorization.

168944541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142251.

The product of its digits is 138240, while the sum is 42.

The square root of 168944541 is about 12997.8667865154. The cubic root of 168944541 is about 552.8169973701.

The spelling of 168944541 in words is "one hundred sixty-eight million, nine hundred forty-four thousand, five hundred forty-one".