1347664456 has 16 divisors (see below), whose sum is σ = 2552922540. Its totient is φ = 666885120.

The previous prime is 1347664453. The next prime is 1347664499. The reversal of 1347664456 is 6544667431.

It can be written as a sum of positive squares in 2 ways, for example, as 1328602500 + 19061956 = 36450^2 + 4366^2 .

It is not an unprimeable number, because it can be changed into a prime (1347664453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 867565 + ... + 869116.

Almost surely, 2^1347664456 is an apocalyptic number.

It is an amenable number.

1347664456 is a deficient number, since it is larger than the sum of its proper divisors (1205258084).

1347664456 is a wasteful number, since it uses less digits than its factorization.

1347664456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736784 (or 1736780 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The square root of 1347664456 is about 36710.5496553784. The cubic root of 1347664456 is about 1104.5717322369.

The spelling of 1347664456 in words is "one billion, three hundred forty-seven million, six hundred sixty-four thousand, four hundred fifty-six".