808550401816 has 8 divisors (see below), whose sum is σ = 1516032003420. Its totient is φ = 404275200904.

The previous prime is 808550401753. The next prime is 808550401817. The reversal of 808550401816 is 618104055808.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808550401817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50534400106 + ... + 50534400121.

Almost surely, 2^808550401816 is an apocalyptic number.

It is an amenable number.

808550401816 is a deficient number, since it is larger than the sum of its proper divisors (707481601604).

808550401816 is a wasteful number, since it uses less digits than its factorization.

808550401816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101068800233 (or 101068800229 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 808550401816 in words is "eight hundred eight billion, five hundred fifty million, four hundred one thousand, eight hundred sixteen".