2164153316405 has 4 divisors (see below), whose sum is σ = 2596983979692. Its totient is φ = 1731322653120.

The previous prime is 2164153316323. The next prime is 2164153316411. The reversal of 2164153316405 is 5046133514612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1236741943921 + 927411372484 = 1112089^2 + 963022^2 .

It is not a de Polignac number, because 2164153316405 - 2²⁰ = 2164152267829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216415331636 + ... + 216415331645.

It is an arithmetic number, because the mean of its divisors is an integer number (649245994923).

Almost surely, 2^{2164153316405} is an apocalyptic number.

It is an amenable number.

2164153316405 is a deficient number, since it is larger than the sum of its proper divisors (432830663287).

2164153316405 is an equidigital number, since it uses as much as digits as its factorization.

2164153316405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432830663286.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 2164153316405 in words is "two trillion, one hundred sixty-four billion, one hundred fifty-three million, three hundred sixteen thousand, four hundred five".