2666266032 has 90 divisors (see below), whose sum is σ = 7161421228. Its totient is φ = 854769664.

The previous prime is 2666266027. The next prime is 2666266033. The reversal of 2666266032 is 2306626662.

It is not an unprimeable number, because it can be changed into a prime (2666266033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10374448 + ... + 10374704.

Almost surely, 2^2666266032 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 2666266032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3580710614).

2666266032 is an abundant number, since it is smaller than the sum of its proper divisors (4495155196).

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

2666266032 is an equidigital number, since it uses as much as digits as its factorization.

2666266032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 2666266032 is about 51635.8986752434. The cubic root of 2666266032 is about 1386.6530990824.

The spelling of 2666266032 in words is "two billion, six hundred sixty-six million, two hundred sixty-six thousand, thirty-two".