1008921617338 has 16 divisors (see below), whose sum is σ = 1514226035520. Its totient is φ = 504179676000.

The previous prime is 1008921617321. The next prime is 1008921617351. The reversal of 1008921617338 is 8337161298001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1008921617291 and 1008921617300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40849573 + ... + 40874263.

It is an arithmetic number, because the mean of its divisors is an integer number (94639127220).

Almost surely, 2^{1008921617338} is an apocalyptic number.

1008921617338 is a deficient number, since it is larger than the sum of its proper divisors (505304418182).

1008921617338 is a wasteful number, since it uses less digits than its factorization.

1008921617338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35253.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 1008921617338 in words is "one trillion, eight billion, nine hundred twenty-one million, six hundred seventeen thousand, three hundred thirty-eight".