1316554560 has 168 divisors, whose sum is σ = 4696394976. Its totient is φ = 351060480.

The previous prime is 1316554559. The next prime is 1316554571. The reversal of 1316554560 is 654556131.

1316554560 is a `hidden beast` number, since 1 + 31 + 65 + 5 + 4 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 69295 + ... + 86225.

It is an arithmetic number, because the mean of its divisors is an integer number (27954732).

Almost surely, 2^1316554560 is an apocalyptic number.

1316554560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316554560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2348197488).

1316554560 is an abundant number, since it is smaller than the sum of its proper divisors (3379840416).

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

1316554560 is an equidigital number, since it uses as much as digits as its factorization.

1316554560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963 (or 16941 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1316554560 is about 36284.3569599903. The cubic root of 1316554560 is about 1096.0060560519.

The spelling of 1316554560 in words is "one billion, three hundred sixteen million, five hundred fifty-four thousand, five hundred sixty".