2520868966 has 32 divisors (see below), whose sum is σ = 4962481920. Its totient is φ = 930463200.

The previous prime is 2520868963. The next prime is 2520868967. The reversal of 2520868966 is 6698680252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520868963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 427845 + ... + 433696.

It is an arithmetic number, because the mean of its divisors is an integer number (155077560).

Almost surely, 2^2520868966 is an apocalyptic number.

2520868966 is a deficient number, since it is larger than the sum of its proper divisors (2441612954).

2520868966 is a wasteful number, since it uses less digits than its factorization.

2520868966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861580.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 2520868966 is about 50208.2559545738. The cubic root of 2520868966 is about 1360.9748212129.

The spelling of 2520868966 in words is "two billion, five hundred twenty million, eight hundred sixty-eight thousand, nine hundred sixty-six".