2116451206 has 16 divisors (see below), whose sum is σ = 3195617184. Its totient is φ = 1051255744.

The previous prime is 2116451203. The next prime is 2116451231. The reversal of 2116451206 is 6021546112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116451203) 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, 793431 + ... + 796093.

It is an arithmetic number, because the mean of its divisors is an integer number (199726074).

Almost surely, 2^2116451206 is an apocalyptic number.

2116451206 is a deficient number, since it is larger than the sum of its proper divisors (1079165978).

2116451206 is a wasteful number, since it uses less digits than its factorization.

2116451206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2116451206 is about 46004.9041516228. The cubic root of 2116451206 is about 1283.9144502772.

Adding to 2116451206 its reverse (6021546112), we get a palindrome (8137997318).

The spelling of 2116451206 in words is "two billion, one hundred sixteen million, four hundred fifty-one thousand, two hundred six".