2666210452 has 6 divisors (see below), whose sum is σ = 4665868298. Its totient is φ = 1333105224.

The previous prime is 2666210429. The next prime is 2666210467. The reversal of 2666210452 is 2540126662.

2666210452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2114712196 + 551498256 = 45986^2 + 23484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333276303 + ... + 333276310.

Almost surely, 2^2666210452 is an apocalyptic number.

It is an amenable number.

2666210452 is a deficient number, since it is larger than the sum of its proper divisors (1999657846).

2666210452 is a wasteful number, since it uses less digits than its factorization.

2666210452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666552617 (or 666552615 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2666210452 is about 51635.3604809727. The cubic root of 2666210452 is about 1386.6434637955.

It can be divided in two parts, 2666210 and 452, that added together give a palindrome (2666662).

The spelling of 2666210452 in words is "two billion, six hundred sixty-six million, two hundred ten thousand, four hundred fifty-two".