551331144016 has 20 divisors (see below), whose sum is σ = 1093046048512. Its totient is φ = 269254744416.

The previous prime is 551331143983. The next prime is 551331144041. The reversal of 551331144016 is 610441133155.

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, 400676016 + ... + 400677391.

Almost surely, 2^551331144016 is an apocalyptic number.

It is an amenable number.

551331144016 is a deficient number, since it is larger than the sum of its proper divisors (541714904496).

551331144016 is a wasteful number, since it uses less digits than its factorization.

551331144016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801353458 (or 801353452 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 551331144016 in words is "five hundred fifty-one billion, three hundred thirty-one million, one hundred forty-four thousand, sixteen".