551420144216 has 16 divisors (see below), whose sum is σ = 1033927171440. Its totient is φ = 275706231840.

The previous prime is 551420144189. The next prime is 551420144221. The reversal of 551420144216 is 612441024155.

It is a congruent number.

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, 184301 + ... + 1066211.

It is an arithmetic number, because the mean of its divisors is an integer number (64620448215).

Almost surely, 2^551420144216 is an apocalyptic number.

It is an amenable number.

551420144216 is a deficient number, since it is larger than the sum of its proper divisors (482507027224).

551420144216 is a wasteful number, since it uses less digits than its factorization.

551420144216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960074 (or 960070 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 551420144216 in words is "five hundred fifty-one billion, four hundred twenty million, one hundred forty-four thousand, two hundred sixteen".