2141664116879 has 16 divisors (see below), whose sum is σ = 2510242690560. Its totient is φ = 1788936680160.

The previous prime is 2141664116833. The next prime is 2141664116903. The reversal of 2141664116879 is 9786114661412.

It is a de Polignac number, because none of the positive numbers 2^k-2141664116879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141664316879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971692 + ... + 8235969.

It is an arithmetic number, because the mean of its divisors is an integer number (156890168160).

Almost surely, 2^{2141664116879} is an apocalyptic number.

2141664116879 is a deficient number, since it is larger than the sum of its proper divisors (368578573681).

2141664116879 is a wasteful number, since it uses less digits than its factorization.

2141664116879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16208150.

The product of its digits is 3483648, while the sum is 56.

The spelling of 2141664116879 in words is "two trillion, one hundred forty-one billion, six hundred sixty-four million, one hundred sixteen thousand, eight hundred seventy-nine".