2666325216 has 48 divisors (see below), whose sum is σ = 7002437904. Its totient is φ = 888351744.

The previous prime is 2666325199. The next prime is 2666325217. The reversal of 2666325216 is 6125236662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666325217) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 245926 + ... + 256538.

It is an arithmetic number, because the mean of its divisors is an integer number (145884123).

Almost surely, 2^2666325216 is an apocalyptic number.

It is an amenable number.

2666325216 is an abundant number, since it is smaller than the sum of its proper divisors (4336112688).

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

2666325216 is a wasteful number, since it uses less digits than its factorization.

2666325216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243 (or 13235 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 2666325216 is about 51636.4717617306. The cubic root of 2666325216 is about 1386.6633590076.

The spelling of 2666325216 in words is "two billion, six hundred sixty-six million, three hundred twenty-five thousand, two hundred sixteen".