32315125666 has 4 divisors (see below), whose sum is σ = 48472688502. Its totient is φ = 16157562832.

The previous prime is 32315125657. The next prime is 32315125697. The reversal of 32315125666 is 66652151323.

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

It can be written as a sum of positive squares in only one way, i.e., 31632401025 + 682724641 = 177855^2 + 26129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078781415 + ... + 8078781418.

Almost surely, 2^32315125666 is an apocalyptic number.

32315125666 is a deficient number, since it is larger than the sum of its proper divisors (16157562836).

32315125666 is a wasteful number, since it uses less digits than its factorization.

32315125666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16157562835.

The product of its digits is 194400, while the sum is 40.

Adding to 32315125666 its reverse (66652151323), we get a palindrome (98967276989).

The spelling of 32315125666 in words is "thirty-two billion, three hundred fifteen million, one hundred twenty-five thousand, six hundred sixty-six".