2766131686045 has 32 divisors (see below), whose sum is σ = 4085560910592. Its totient is φ = 1750785656832.

The previous prime is 2766131686027. The next prime is 2766131686061. The reversal of 2766131686045 is 5406861316672.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2766131686045 - 2⁹ = 2766131685533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10071514 + ... + 10342516.

It is an arithmetic number, because the mean of its divisors is an integer number (127673778456).

Almost surely, 2^{2766131686045} is an apocalyptic number.

It is an amenable number.

2766131686045 is a deficient number, since it is larger than the sum of its proper divisors (1319429224547).

2766131686045 is a wasteful number, since it uses less digits than its factorization.

2766131686045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293461.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 2766131686045 in words is "two trillion, seven hundred sixty-six billion, one hundred thirty-one million, six hundred eighty-six thousand, forty-five".