1331970168 has 32 divisors (see below), whose sum is σ = 3331042560. Its totient is φ = 443841120.

The previous prime is 1331970137. The next prime is 1331970287. The reversal of 1331970168 is 8610791331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82003 + ... + 96893.

It is an arithmetic number, because the mean of its divisors is an integer number (104095080).

Almost surely, 2^1331970168 is an apocalyptic number.

It is an amenable number.

1331970168 is an abundant number, since it is smaller than the sum of its proper divisors (1999072392).

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

1331970168 is a wasteful number, since it uses less digits than its factorization.

1331970168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627 (or 18623 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1331970168 is about 36496.1664836185. The cubic root of 1331970168 is about 1100.2671990018.

The spelling of 1331970168 in words is "one billion, three hundred thirty-one million, nine hundred seventy thousand, one hundred sixty-eight".