1331669552 has 20 divisors (see below), whose sum is σ = 2586858240. Its totient is φ = 664093248.

The previous prime is 1331669533. The next prime is 1331669567. The reversal of 1331669552 is 2559661331.

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 3 ways as a sum of consecutive naturals, for example, 102527 + ... + 114782.

It is an arithmetic number, because the mean of its divisors is an integer number (129342912).

Almost surely, 2^1331669552 is an apocalyptic number.

It is an amenable number.

1331669552 is a deficient number, since it is larger than the sum of its proper divisors (1255188688).

1331669552 is a wasteful number, since it uses less digits than its factorization.

1331669552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217700 (or 217694 counting only the distinct ones).

The product of its digits is 145800, while the sum is 41.

The square root of 1331669552 is about 36492.0477912654. The cubic root of 1331669552 is about 1100.1844186666.

The spelling of 1331669552 in words is "one billion, three hundred thirty-one million, six hundred sixty-nine thousand, five hundred fifty-two".