166044361 has 8 divisors (see below), whose sum is σ = 189890624. Its totient is φ = 142229520.

The previous prime is 166044353. The next prime is 166044377. The reversal of 166044361 is 163440661.

166044361 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 a cyclic number.

It is not a de Polignac number, because 166044361 - 2³ = 166044353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166044311) 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, 4846 + ... + 18856.

It is an arithmetic number, because the mean of its divisors is an integer number (23736328).

Almost surely, 2^166044361 is an apocalyptic number.

It is an amenable number.

166044361 is a deficient number, since it is larger than the sum of its proper divisors (23846263).

166044361 is a wasteful number, since it uses less digits than its factorization.

166044361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 166044361 is about 12885.8201524001. The cubic root of 166044361 is about 549.6354178846.

The spelling of 166044361 in words is "one hundred sixty-six million, forty-four thousand, three hundred sixty-one".