3205166428 has 12 divisors (see below), whose sum is σ = 5612808600. Its totient is φ = 1601506832.

The previous prime is 3205166381. The next prime is 3205166453. The reversal of 3205166428 is 8246615023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262378 + ... + 274321.

It is an arithmetic number, because the mean of its divisors is an integer number (467734050).

Almost surely, 2^3205166428 is an apocalyptic number.

It is an amenable number.

3205166428 is a deficient number, since it is larger than the sum of its proper divisors (2407642172).

3205166428 is a wasteful number, since it uses less digits than its factorization.

3205166428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538196 (or 538194 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 3205166428 is about 56614.1892814867. The cubic root of 3205166428 is about 1474.4052265199.

The spelling of 3205166428 in words is "three billion, two hundred five million, one hundred sixty-six thousand, four hundred twenty-eight".