276506816103 has 128 divisors (see below), whose sum is σ = 495728640000. Its totient is φ = 152099700480.

The previous prime is 276506816087. The next prime is 276506816111. The reversal of 276506816103 is 301618605672.

276506816103 is a `hidden beast` number, since 2 + 7 + 6 + 506 + 81 + 61 + 0 + 3 = 666.

It is not a de Polignac number, because 276506816103 - 2⁴ = 276506816087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276506816123) 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 127 ways as a sum of consecutive naturals, for example, 56554483 + ... + 56559371.

It is an arithmetic number, because the mean of its divisors is an integer number (3872880000).

Almost surely, 2^276506816103 is an apocalyptic number.

276506816103 is a deficient number, since it is larger than the sum of its proper divisors (219221823897).

276506816103 is a wasteful number, since it uses less digits than its factorization.

276506816103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 276506816103 in words is "two hundred seventy-six billion, five hundred six million, eight hundred sixteen thousand, one hundred three".