1316640760 has 64 divisors (see below), whose sum is σ = 3003698880. Its totient is φ = 519367680.

The previous prime is 1316640733. The next prime is 1316640791. The reversal of 1316640760 is 670466131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289050 + ... + 1290070.

It is an arithmetic number, because the mean of its divisors is an integer number (46932795).

Almost surely, 2^1316640760 is an apocalyptic number.

1316640760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316640760 is an abundant number, since it is smaller than the sum of its proper divisors (1687058120).

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

1316640760 is a wasteful number, since it uses less digits than its factorization.

1316640760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1316640760 is about 36285.5447802565. The cubic root of 1316640760 is about 1096.0299754709.

The spelling of 1316640760 in words is "one billion, three hundred sixteen million, six hundred forty thousand, seven hundred sixty".