555466636368 has 320 divisors, whose sum is σ = 1855166976000. Its totient is φ = 155836694016.

The previous prime is 555466636349. The next prime is 555466636397. The reversal of 555466636368 is 863636664555.

It is a super-3 number, since 3×555466636368³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 278149546 + ... + 278151542.

It is an arithmetic number, because the mean of its divisors is an integer number (5797396800).

Almost surely, 2^555466636368 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 555466636368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (927583488000).

555466636368 is an abundant number, since it is smaller than the sum of its proper divisors (1299700339632).

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

555466636368 is a wasteful number, since it uses less digits than its factorization.

555466636368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639 (or 3627 counting only the distinct ones).

The product of its digits is 279936000, while the sum is 63.

The spelling of 555466636368 in words is "five hundred fifty-five billion, four hundred sixty-six million, six hundred thirty-six thousand, three hundred sixty-eight".