618828816835826 has 8 divisors (see below), whose sum is σ = 928247585417904. Its totient is φ = 309412955029860.

The previous prime is 618828816835811. The next prime is 618828816835843. The reversal of 618828816835826 is 628538618828816.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726161720 + ... + 727013411.

It is an arithmetic number, because the mean of its divisors is an integer number (116030948177238).

Almost surely, 2^{618828816835826} is an apocalyptic number.

618828816835826 is a deficient number, since it is larger than the sum of its proper divisors (309418768582078).

618828816835826 is a wasteful number, since it uses less digits than its factorization.

618828816835826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453388056.

The product of its digits is 3397386240, while the sum is 80.

The spelling of 618828816835826 in words is "six hundred eighteen trillion, eight hundred twenty-eight billion, eight hundred sixteen million, eight hundred thirty-five thousand, eight hundred twenty-six".