425232166 has 8 divisors (see below), whose sum is σ = 639900144. Its totient is φ = 211932120.

The previous prime is 425232149. The next prime is 425232187. The reversal of 425232166 is 661232524.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341205 + ... + 342448.

It is an arithmetic number, because the mean of its divisors is an integer number (79987518).

Almost surely, 2^425232166 is an apocalyptic number.

425232166 is a deficient number, since it is larger than the sum of its proper divisors (214667978).

425232166 is a wasteful number, since it uses less digits than its factorization.

425232166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683966.

The product of its digits is 17280, while the sum is 31.

The square root of 425232166 is about 20621.1582118949. The cubic root of 425232166 is about 751.9841777926.

The spelling of 425232166 in words is "four hundred twenty-five million, two hundred thirty-two thousand, one hundred sixty-six".