276091666836 has 24 divisors (see below), whose sum is σ = 644340920160. Its totient is φ = 92012408352.

The previous prime is 276091666793. The next prime is 276091666853. The reversal of 276091666836 is 638666190672.

It is a self number, because there is not a number n which added to its sum of digits gives 276091666836.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2204946 + ... + 2326793.

It is an arithmetic number, because the mean of its divisors is an integer number (26847538340).

Almost surely, 2^276091666836 is an apocalyptic number.

It is an amenable number.

276091666836 is an abundant number, since it is smaller than the sum of its proper divisors (368249253324).

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

276091666836 is a wasteful number, since it uses less digits than its factorization.

276091666836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536823 (or 4536821 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 276091666836 in words is "two hundred seventy-six billion, ninety-one million, six hundred sixty-six thousand, eight hundred thirty-six".