2666435352 has 80 divisors (see below), whose sum is σ = 7776808440. Its totient is φ = 761822208.

The previous prime is 2666435351. The next prime is 2666435383. The reversal of 2666435352 is 2535346662.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666435351) 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 19 ways as a sum of consecutive naturals, for example, 34488 + ... + 80760.

Almost surely, 2^2666435352 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 2666435352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3888404220).

2666435352 is an abundant number, since it is smaller than the sum of its proper divisors (5110373088).

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

2666435352 is an equidigital number, since it uses as much as digits as its factorization.

2666435352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46310 (or 46285 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The square root of 2666435352 is about 51637.5382062313. The cubic root of 2666435352 is about 1386.6824513838.

The spelling of 2666435352 in words is "two billion, six hundred sixty-six million, four hundred thirty-five thousand, three hundred fifty-two".