2766866157 has 48 divisors (see below), whose sum is σ = 4528982016. Its totient is φ = 1612548000.

The previous prime is 2766866101. The next prime is 2766866159. The reversal of 2766866157 is 7516686672.

It is not a de Polignac number, because 2766866157 - 2¹¹ = 2766864109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766866159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497482 + ... + 503012.

It is an arithmetic number, because the mean of its divisors is an integer number (94353792).

Almost surely, 2^2766866157 is an apocalyptic number.

It is an amenable number.

2766866157 is a deficient number, since it is larger than the sum of its proper divisors (1762115859).

2766866157 is a wasteful number, since it uses less digits than its factorization.

2766866157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742 (or 5739 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 2766866157 is about 52601.0090872789. The cubic root of 2766866157 is about 1403.8780499552.

The spelling of 2766866157 in words is "two billion, seven hundred sixty-six million, eight hundred sixty-six thousand, one hundred fifty-seven".