250665566052 has 96 divisors (see below), whose sum is σ = 651924725760. Its totient is φ = 74309886720.

The previous prime is 250665566027. The next prime is 250665566131.

250665566052 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 250665565992 and 250665566010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16228149 + ... + 16243587.

It is an arithmetic number, because the mean of its divisors is an integer number (6790882560).

Almost surely, 2^250665566052 is an apocalyptic number.

250665566052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250665566052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325962362880).

250665566052 is an abundant number, since it is smaller than the sum of its proper divisors (401259159708).

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

250665566052 is a wasteful number, since it uses less digits than its factorization.

250665566052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121 (or 18119 counting only the distinct ones).

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

The spelling of 250665566052 in words is "two hundred fifty billion, six hundred sixty-five million, five hundred sixty-six thousand, fifty-two".