2116502166 has 16 divisors (see below), whose sum is σ = 4233754800. Its totient is φ = 705375648.

The previous prime is 2116502161. The next prime is 2116502189. The reversal of 2116502166 is 6612056112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116502161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9480 + ... + 65748.

It is an arithmetic number, because the mean of its divisors is an integer number (264609675).

Almost surely, 2^2116502166 is an apocalyptic number.

2116502166 is an abundant number, since it is smaller than the sum of its proper divisors (2117252634).

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

2116502166 is a wasteful number, since it uses less digits than its factorization.

2116502166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62543.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2116502166 is about 46005.4580022849. The cubic root of 2116502166 is about 1283.9247549097.

Adding to 2116502166 its reverse (6612056112), we get a palindrome (8728558278).

The spelling of 2116502166 in words is "two billion, one hundred sixteen million, five hundred two thousand, one hundred sixty-six".