3232578661 has 32 divisors (see below), whose sum is σ = 3808179200. Its totient is φ = 2717245440.

The previous prime is 3232578571. The next prime is 3232578689. The reversal of 3232578661 is 1668752323.

It is not a de Polignac number, because 3232578661 - 2²⁷ = 3098360933 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 (3232578761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200805 + ... + 1203493.

It is an arithmetic number, because the mean of its divisors is an integer number (119005600).

Almost surely, 2^3232578661 is an apocalyptic number.

3232578661 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3232578661 is a deficient number, since it is larger than the sum of its proper divisors (575600539).

3232578661 is a wasteful number, since it uses less digits than its factorization.

3232578661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its digits is 362880, while the sum is 43.

The square root of 3232578661 is about 56855.7706921646. The cubic root of 3232578661 is about 1478.5965910233.

The spelling of 3232578661 in words is "three billion, two hundred thirty-two million, five hundred seventy-eight thousand, six hundred sixty-one".