3246067661 has 4 divisors (see below), whose sum is σ = 3267853500. Its totient is φ = 3224281824.

The previous prime is 3246067651. The next prime is 3246067679. The reversal of 3246067661 is 1667606423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 621554761 + 2624512900 = 24931^2 + 51230^2 .

It is a cyclic number.

It is not a de Polignac number, because 3246067661 - 2²² = 3241873357 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 (3246067631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10892696 + ... + 10892993.

It is an arithmetic number, because the mean of its divisors is an integer number (816963375).

Almost surely, 2^3246067661 is an apocalyptic number.

It is an amenable number.

3246067661 is a deficient number, since it is larger than the sum of its proper divisors (21785839).

3246067661 is a wasteful number, since it uses less digits than its factorization.

3246067661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785838.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 3246067661 is about 56974.2719216314. The cubic root of 3246067661 is about 1480.6503808476.

The spelling of 3246067661 in words is "three billion, two hundred forty-six million, sixty-seven thousand, six hundred sixty-one".