2666106541 has 16 divisors (see below), whose sum is σ = 3108647808. Its totient is φ = 2239099200.

The previous prime is 2666106539. The next prime is 2666106551. The reversal of 2666106541 is 1456016662.

It is a cyclic number.

It is not a de Polignac number, because 2666106541 - 2¹ = 2666106539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2666106541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666106551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296451 + ... + 305311.

It is an arithmetic number, because the mean of its divisors is an integer number (194290488).

Almost surely, 2^2666106541 is an apocalyptic number.

It is an amenable number.

2666106541 is a deficient number, since it is larger than the sum of its proper divisors (442541267).

2666106541 is an equidigital number, since it uses as much as digits as its factorization.

2666106541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2666106541 is about 51634.3542711633. The cubic root of 2666106541 is about 1386.6254495410.

The spelling of 2666106541 in words is "two billion, six hundred sixty-six million, one hundred six thousand, five hundred forty-one".