2161614234055 has 8 divisors (see below), whose sum is σ = 2596314664944. Its totient is φ = 1727706331200.

The previous prime is 2161614234037. The next prime is 2161614234067. The reversal of 2161614234055 is 5504324161612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2161614234055 - 2⁹ = 2161614233543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2161614233999 and 2161614234017.

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, 198126006 + ... + 198136915.

It is an arithmetic number, because the mean of its divisors is an integer number (324539333118).

Almost surely, 2^{2161614234055} is an apocalyptic number.

2161614234055 is a deficient number, since it is larger than the sum of its proper divisors (434700430889).

2161614234055 is a wasteful number, since it uses less digits than its factorization.

2161614234055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396264017.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 2161614234055 its reverse (5504324161612), we get a palindrome (7665938395667).

The spelling of 2161614234055 in words is "two trillion, one hundred sixty-one billion, six hundred fourteen million, two hundred thirty-four thousand, fifty-five".