166044616 has 16 divisors (see below), whose sum is σ = 312548940. Its totient is φ = 82698240.

The previous prime is 166044611. The next prime is 166044617. The reversal of 166044616 is 616440661.

166044616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 160022500 + 6022116 = 12650^2 + 2454^2 .

It is not an unprimeable number, because it can be changed into a prime (166044611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38325 + ... + 42436.

Almost surely, 2^166044616 is an apocalyptic number.

It is an amenable number.

166044616 is a deficient number, since it is larger than the sum of its proper divisors (146504324).

166044616 is a wasteful number, since it uses less digits than its factorization.

166044616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81024 (or 81020 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 166044616 is about 12885.8300469935. The cubic root of 166044616 is about 549.6356992491.

The spelling of 166044616 in words is "one hundred sixty-six million, forty-four thousand, six hundred sixteen".