2116461650 has 12 divisors (see below), whose sum is σ = 3936618762. Its totient is φ = 846584640.

The previous prime is 2116461569. The next prime is 2116461671. The reversal of 2116461650 is 561646112.

It can be written as a sum of positive squares in 3 ways, for example, as 1986752329 + 129709321 = 44573^2 + 11389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21164567 + ... + 21164666.

Almost surely, 2^2116461650 is an apocalyptic number.

2116461650 is a deficient number, since it is larger than the sum of its proper divisors (1820157112).

2116461650 is a wasteful number, since it uses less digits than its factorization.

2116461650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42329245 (or 42329240 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2116461650 is about 46005.0176611204. The cubic root of 2116461650 is about 1283.9165621742.

The spelling of 2116461650 in words is "two billion, one hundred sixteen million, four hundred sixty-one thousand, six hundred fifty".