2666866069532 has 24 divisors (see below), whose sum is σ = 5333834580480. Its totient is φ = 1142920649520.

The previous prime is 2666866069513. The next prime is 2666866069573. The reversal of 2666866069532 is 2359606686662.

2666866069532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2666866069532² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614057 + ... + 2389727.

It is an arithmetic number, because the mean of its divisors is an integer number (222243107520).

Almost surely, 2^{2666866069532} is an apocalyptic number.

It is an amenable number.

2666866069532 is an abundant number, since it is smaller than the sum of its proper divisors (2666968510948).

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

2666866069532 is a wasteful number, since it uses less digits than its factorization.

2666866069532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829321 (or 1829319 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 65.

The spelling of 2666866069532 in words is "two trillion, six hundred sixty-six billion, eight hundred sixty-six million, sixty-nine thousand, five hundred thirty-two".