166376325 has 12 divisors (see below), whose sum is σ = 275075648. Its totient is φ = 88734000.

The previous prime is 166376323. The next prime is 166376377. The reversal of 166376325 is 523673661.

It is not a de Polignac number, because 166376325 - 2¹ = 166376323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166376323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1109101 + ... + 1109250.

Almost surely, 2^166376325 is an apocalyptic number.

166376325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

166376325 is a deficient number, since it is larger than the sum of its proper divisors (108699323).

166376325 is a wasteful number, since it uses less digits than its factorization.

166376325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218364 (or 2218359 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 166376325 is about 12898.6947014029. The cubic root of 166376325 is about 550.0014600512.

The spelling of 166376325 in words is "one hundred sixty-six million, three hundred seventy-six thousand, three hundred twenty-five".