533815866808 has 32 divisors (see below), whose sum is σ = 1143926784000. Its totient is φ = 228771100512.

The previous prime is 533815866791. The next prime is 533815866817. The reversal of 533815866808 is 808668518335.

It is a happy number.

It is a super-2 number, since 2×533815866808² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919793 + ... + 2180191.

It is an arithmetic number, because the mean of its divisors is an integer number (35747712000).

Almost surely, 2^533815866808 is an apocalyptic number.

It is an amenable number.

533815866808 is an abundant number, since it is smaller than the sum of its proper divisors (610110917192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533815866808 is a wasteful number, since it uses less digits than its factorization.

533815866808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297019 (or 297015 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 533815866808 in words is "five hundred thirty-three billion, eight hundred fifteen million, eight hundred sixty-six thousand, eight hundred eight".