818010223636 has 24 divisors (see below), whose sum is σ = 1437806994624. Its totient is φ = 407208580800.

The previous prime is 818010223607. The next prime is 818010223669. The reversal of 818010223636 is 636322010818.

It is a super-3 number, since 3×818010223636³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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, 10540471 + ... + 10617793.

It is an arithmetic number, because the mean of its divisors is an integer number (59908624776).

Almost surely, 2^818010223636 is an apocalyptic number.

It is an amenable number.

818010223636 is a deficient number, since it is larger than the sum of its proper divisors (619796770988).

818010223636 is a wasteful number, since it uses less digits than its factorization.

818010223636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88911 (or 88909 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 818010223636 in words is "eight hundred eighteen billion, ten million, two hundred twenty-three thousand, six hundred thirty-six".