166054145 has 16 divisors (see below), whose sum is σ = 206530560. Its totient is φ = 128017344.

The previous prime is 166054123. The next prime is 166054169. The reversal of 166054145 is 541450661.

It is a cyclic number.

It is not a de Polignac number, because 166054145 - 2⁶ = 166054081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124472 + ... + 125798.

It is an arithmetic number, because the mean of its divisors is an integer number (12908160).

Almost surely, 2^166054145 is an apocalyptic number.

It is an amenable number.

166054145 is a deficient number, since it is larger than the sum of its proper divisors (40476415).

166054145 is a wasteful number, since it uses less digits than its factorization.

166054145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 166054145 is about 12886.1997889215. The cubic root of 166054145 is about 549.6462132473.

The spelling of 166054145 in words is "one hundred sixty-six million, fifty-four thousand, one hundred forty-five".