276066966 has 64 divisors (see below), whose sum is σ = 666648576. Its totient is φ = 74541600.

The previous prime is 276066937. The next prime is 276066971. The reversal of 276066966 is 669660672.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53521 + ... + 58451.

It is an arithmetic number, because the mean of its divisors is an integer number (10416384).

Almost surely, 2^276066966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276066966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333324288).

276066966 is an abundant number, since it is smaller than the sum of its proper divisors (390581610).

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

276066966 is a wasteful number, since it uses less digits than its factorization.

276066966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 276066966 is about 16615.2630433587. The cubic root of 276066966 is about 651.1356604121.

The spelling of 276066966 in words is "two hundred seventy-six million, sixty-six thousand, nine hundred sixty-six".