1343565664 has 24 divisors (see below), whose sum is σ = 3023023248. Its totient is φ = 575813760.

The previous prime is 1343565653. The next prime is 1343565667. The reversal of 1343565664 is 4665653431.

It is a self number, because there is not a number n which added to its sum of digits gives 1343565664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343565667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998807 + ... + 2999254.

It is an arithmetic number, because the mean of its divisors is an integer number (125959302).

Almost surely, 2^1343565664 is an apocalyptic number.

1343565664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1343565664 is an abundant number, since it is smaller than the sum of its proper divisors (1679457584).

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

1343565664 is an equidigital number, since it uses as much as digits as its factorization.

1343565664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998078 (or 5998070 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 1343565664 is about 36654.6813381320. The cubic root of 1343565664 is about 1103.4507787670.

The spelling of 1343565664 in words is "one billion, three hundred forty-three million, five hundred sixty-five thousand, six hundred sixty-four".