1331632466 has 16 divisors (see below), whose sum is σ = 2064058368. Its totient is φ = 643658400.

The previous prime is 1331632459. The next prime is 1331632487. The reversal of 1331632466 is 6642361331.

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 in 7 ways as a sum of consecutive naturals, for example, 50606 + ... + 72278.

It is an arithmetic number, because the mean of its divisors is an integer number (129003648).

Almost surely, 2^1331632466 is an apocalyptic number.

1331632466 is a deficient number, since it is larger than the sum of its proper divisors (732425902).

1331632466 is a wasteful number, since it uses less digits than its factorization.

1331632466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22697.

The product of its digits is 46656, while the sum is 35.

The square root of 1331632466 is about 36491.5396496229. The cubic root of 1331632466 is about 1100.1742054677.

Adding to 1331632466 its reverse (6642361331), we get a palindrome (7973993797).

The spelling of 1331632466 in words is "one billion, three hundred thirty-one million, six hundred thirty-two thousand, four hundred sixty-six".