2775726268066 has 16 divisors (see below), whose sum is σ = 4411750368960. Its totient is φ = 1306110301200.

The previous prime is 2775726267991. The next prime is 2775726268067. The reversal of 2775726268066 is 6608626275772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2775726267989 and 2775726268007.

It is not an unprimeable number, because it can be changed into a prime (2775726268067) 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 7 ways as a sum of consecutive naturals, for example, 241866541 + ... + 241878016.

It is an arithmetic number, because the mean of its divisors is an integer number (275734398060).

Almost surely, 2^{2775726268066} is an apocalyptic number.

2775726268066 is a deficient number, since it is larger than the sum of its proper divisors (1636024100894).

2775726268066 is a wasteful number, since it uses less digits than its factorization.

2775726268066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483744729.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 2775726268066 in words is "two trillion, seven hundred seventy-five billion, seven hundred twenty-six million, two hundred sixty-eight thousand, sixty-six".