1338259616 has 12 divisors (see below), whose sum is σ = 2634698682. Its totient is φ = 669129792.

The previous prime is 1338259597. The next prime is 1338259621. The reversal of 1338259616 is 6169528331.

It can be written as a sum of positive squares in only one way, i.e., 1338096400 + 163216 = 36580^2 + 404^2 .

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 as a sum of consecutive naturals, namely, 20910275 + ... + 20910338.

Almost surely, 2^1338259616 is an apocalyptic number.

1338259616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1338259616 is a deficient number, since it is larger than the sum of its proper divisors (1296439066).

1338259616 is an equidigital number, since it uses as much as digits as its factorization.

1338259616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41820623 (or 41820615 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 1338259616 is about 36582.2308778456. The cubic root of 1338259616 is about 1101.9962692135.

The spelling of 1338259616 in words is "one billion, three hundred thirty-eight million, two hundred fifty-nine thousand, six hundred sixteen".