276163055868 has 72 divisors (see below), whose sum is σ = 751375094400. Its totient is φ = 78715345632.

The previous prime is 276163055843. The next prime is 276163055869. The reversal of 276163055868 is 868550361672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276163055869) 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 23 ways as a sum of consecutive naturals, for example, 314088 + ... + 806831.

It is an arithmetic number, because the mean of its divisors is an integer number (10435765200).

Almost surely, 2^276163055868 is an apocalyptic number.

276163055868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

276163055868 is an abundant number, since it is smaller than the sum of its proper divisors (475212038532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276163055868 is a wasteful number, since it uses less digits than its factorization.

276163055868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121359 (or 1121350 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 276163055868 in words is "two hundred seventy-six billion, one hundred sixty-three million, fifty-five thousand, eight hundred sixty-eight".