163444541 has 8 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 150785712.

The previous prime is 163444537. The next prime is 163444549. The reversal of 163444541 is 145444361.

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

It is a cyclic number.

It is not a de Polignac number, because 163444541 - 2² = 163444537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163444498 and 163444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163444549) 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, 37220 + ... + 41378.

It is an arithmetic number, because the mean of its divisors is an integer number (22014720).

Almost surely, 2^163444541 is an apocalyptic number.

It is an amenable number.

163444541 is a deficient number, since it is larger than the sum of its proper divisors (12673219).

163444541 is a wasteful number, since it uses less digits than its factorization.

163444541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its digits is 23040, while the sum is 32.

The square root of 163444541 is about 12784.5430501055. The cubic root of 163444541 is about 546.7516973540.

The spelling of 163444541 in words is "one hundred sixty-three million, four hundred forty-four thousand, five hundred forty-one".