32131055666 has 8 divisors (see below), whose sum is σ = 51031676700. Its totient is φ = 15120496768.

The previous prime is 32131055659. The next prime is 32131055689. The reversal of 32131055666 is 66655013123.

It can be written as a sum of positive squares in 2 ways, for example, as 32048518441 + 82537225 = 179021^2 + 9085^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472515491 + ... + 472515558.

Almost surely, 2^32131055666 is an apocalyptic number.

32131055666 is a deficient number, since it is larger than the sum of its proper divisors (18900621034).

32131055666 is a wasteful number, since it uses less digits than its factorization.

32131055666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945031068.

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 32131055666 its reverse (66655013123), we get a palindrome (98786068789).

The spelling of 32131055666 in words is "thirty-two billion, one hundred thirty-one million, fifty-five thousand, six hundred sixty-six".