551042159616 has 264 divisors, whose sum is σ = 1768802939904. Its totient is φ = 164080926720.

The previous prime is 551042159599. The next prime is 551042159659. The reversal of 551042159616 is 616951240155.

551042159616 is a `hidden beast` number, since 5 + 5 + 1 + 0 + 4 + 21 + 5 + 9 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3639865 + ... + 3788231.

It is an arithmetic number, because the mean of its divisors is an integer number (6700011136).

Almost surely, 2^551042159616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551042159616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884401469952).

551042159616 is an abundant number, since it is smaller than the sum of its proper divisors (1217760780288).

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

551042159616 is a wasteful number, since it uses less digits than its factorization.

551042159616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148437 (or 148416 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 551042159616 in words is "five hundred fifty-one billion, forty-two million, one hundred fifty-nine thousand, six hundred sixteen".