3206204661 has 16 divisors (see below), whose sum is σ = 4680180288. Its totient is φ = 1936233600.

The previous prime is 3206204629. The next prime is 3206204663. The reversal of 3206204661 is 1664026023.

It is not a de Polignac number, because 3206204661 - 2⁵ = 3206204629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3206204663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163606 + ... + 182151.

It is an arithmetic number, because the mean of its divisors is an integer number (292511268).

Almost surely, 2^3206204661 is an apocalyptic number.

It is an amenable number.

3206204661 is a deficient number, since it is larger than the sum of its proper divisors (1473975627).

3206204661 is a wasteful number, since it uses less digits than its factorization.

3206204661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346052.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3206204661 is about 56623.3579099650. The cubic root of 3206204661 is about 1474.5644081558.

The spelling of 3206204661 in words is "three billion, two hundred six million, two hundred four thousand, six hundred sixty-one".