166063445 has 8 divisors (see below), whose sum is σ = 199345536. Its totient is φ = 132804496.

The previous prime is 166063421. The next prime is 166063459. The reversal of 166063445 is 544360661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166063445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23384 + ... + 29646.

It is an arithmetic number, because the mean of its divisors is an integer number (24918192).

Almost surely, 2^166063445 is an apocalyptic number.

It is an amenable number.

166063445 is a deficient number, since it is larger than the sum of its proper divisors (33282091).

166063445 is an equidigital number, since it uses as much as digits as its factorization.

166063445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 166063445 is about 12886.5606350182. The cubic root of 166063445 is about 549.6564741863.

The spelling of 166063445 in words is "one hundred sixty-six million, sixty-three thousand, four hundred forty-five".