3231666546640 has 40 divisors (see below), whose sum is σ = 8586999682560. Its totient is φ = 1107999958656.

The previous prime is 3231666546631. The next prime is 3231666546643. The reversal of 3231666546640 is 466456661323.

3231666546640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231666546643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885416000 + ... + 2885417119.

It is an arithmetic number, because the mean of its divisors is an integer number (214674992064).

Almost surely, 2^{3231666546640} is an apocalyptic number.

It is an amenable number.

3231666546640 is an abundant number, since it is smaller than the sum of its proper divisors (5355333135920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3231666546640 is a wasteful number, since it uses less digits than its factorization.

3231666546640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770833139 (or 5770833133 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 3231666546640 in words is "three trillion, two hundred thirty-one billion, six hundred sixty-six million, five hundred forty-six thousand, six hundred forty".