1331160465 has 16 divisors (see below), whose sum is σ = 2203300800. Its totient is φ = 685470912.

The previous prime is 1331160431. The next prime is 1331160473. The reversal of 1331160465 is 5640611331.

It is not a de Polignac number, because 1331160465 - 2¹¹ = 1331158417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1529635 + ... + 1530504.

It is an arithmetic number, because the mean of its divisors is an integer number (137706300).

Almost surely, 2^1331160465 is an apocalyptic number.

1331160465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1331160465 is a deficient number, since it is larger than the sum of its proper divisors (872140335).

1331160465 is a wasteful number, since it uses less digits than its factorization.

1331160465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060176.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1331160465 is about 36485.0718102623. The cubic root of 1331160465 is about 1100.0442034578.

Adding to 1331160465 its reverse (5640611331), we get a palindrome (6971771796).

The spelling of 1331160465 in words is "one billion, three hundred thirty-one million, one hundred sixty thousand, four hundred sixty-five".