2116324641406 has 16 divisors (see below), whose sum is σ = 3179169423360. Its totient is φ = 1056601749240.

The previous prime is 2116324641371. The next prime is 2116324641463. The reversal of 2116324641406 is 6041464236112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19109011 + ... + 19219441.

It is an arithmetic number, because the mean of its divisors is an integer number (198698088960).

Almost surely, 2^{2116324641406} is an apocalyptic number.

2116324641406 is a deficient number, since it is larger than the sum of its proper divisors (1062844781954).

2116324641406 is a wasteful number, since it uses less digits than its factorization.

2116324641406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124479.

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 2116324641406 its reverse (6041464236112), we get a palindrome (8157788877518).

The spelling of 2116324641406 in words is "two trillion, one hundred sixteen billion, three hundred twenty-four million, six hundred forty-one thousand, four hundred six".