555351164172 has 240 divisors, whose sum is σ = 1708918041600. Its totient is φ = 157185481824.

The previous prime is 555351164143. The next prime is 555351164243. The reversal of 555351164172 is 271461153555.

555351164172 is a `hidden beast` number, since 5 + 5 + 5 + 3 + 511 + 64 + 1 + 72 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11867773 + ... + 11914475.

It is an arithmetic number, because the mean of its divisors is an integer number (7120491840).

Almost surely, 2^555351164172 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 555351164172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854459020800).

555351164172 is an abundant number, since it is smaller than the sum of its proper divisors (1153566877428).

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

555351164172 is a wasteful number, since it uses less digits than its factorization.

555351164172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46847 (or 46822 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The spelling of 555351164172 in words is "five hundred fifty-five billion, three hundred fifty-one million, one hundred sixty-four thousand, one hundred seventy-two".