1338554966 has 32 divisors (see below), whose sum is σ = 2399431680. Its totient is φ = 547579296.

The previous prime is 1338554941. The next prime is 1338554999. The reversal of 1338554966 is 6694558331.

It is a happy number.

It is a super-2 number, since 2×1338554966² = 3583458794006522312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159815 + ... + 167981.

It is an arithmetic number, because the mean of its divisors is an integer number (74982240).

Almost surely, 2^1338554966 is an apocalyptic number.

1338554966 is a deficient number, since it is larger than the sum of its proper divisors (1060876714).

1338554966 is a wasteful number, since it uses less digits than its factorization.

1338554966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708.

The product of its digits is 2332800, while the sum is 50.

The square root of 1338554966 is about 36586.2674510533. The cubic root of 1338554966 is about 1102.0773323728.

The spelling of 1338554966 in words is "one billion, three hundred thirty-eight million, five hundred fifty-four thousand, nine hundred sixty-six".