2502205216666 has 32 divisors (see below), whose sum is σ = 3879359953920. Its totient is φ = 1209539350656.

The previous prime is 2502205216663. The next prime is 2502205216697. The reversal of 2502205216666 is 6666125022052.

2502205216666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2502205216666² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2502205216663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7927711 + ... + 8237293.

It is an arithmetic number, because the mean of its divisors is an integer number (121229998560).

Almost surely, 2^{2502205216666} is an apocalyptic number.

2502205216666 is a deficient number, since it is larger than the sum of its proper divisors (1377154737254).

2502205216666 is a wasteful number, since it uses less digits than its factorization.

2502205216666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310318.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2502205216666 in words is "two trillion, five hundred two billion, two hundred five million, two hundred sixteen thousand, six hundred sixty-six".