552166235256 has 64 divisors (see below), whose sum is σ = 1403576370720. Its totient is φ = 180969592320.

The previous prime is 552166235249. The next prime is 552166235321. The reversal of 552166235256 is 652532661255.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 3872526 + ... + 4012578.

Almost surely, 2^552166235256 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 552166235256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701788185360).

552166235256 is an abundant number, since it is smaller than the sum of its proper divisors (851410135464).

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

552166235256 is a wasteful number, since it uses less digits than its factorization.

552166235256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142816 (or 142812 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 552166235256 in words is "five hundred fifty-two billion, one hundred sixty-six million, two hundred thirty-five thousand, two hundred fifty-six".