5551218360 has 512 divisors, whose sum is σ = 20404224000. Its totient is φ = 1354890240.

The previous prime is 5551218287. The next prime is 5551218371. The reversal of 5551218360 is 638121555.

It is a happy number.

5551218360 is a `hidden beast` number, since 5 + 5 + 512 + 1 + 83 + 60 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 62373196 + ... + 62373284.

It is an arithmetic number, because the mean of its divisors is an integer number (39852000).

Almost surely, 2^5551218360 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 5551218360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10202112000).

5551218360 is an abundant number, since it is smaller than the sum of its proper divisors (14853005640).

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

5551218360 is a wasteful number, since it uses less digits than its factorization.

5551218360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 5551218360 is about 74506.4987769523. The cubic root of 5551218360 is about 1770.6365995103.

The spelling of 5551218360 in words is "five billion, five hundred fifty-one million, two hundred eighteen thousand, three hundred sixty".