2164154255 has 8 divisors (see below), whose sum is σ = 2597928432. Its totient is φ = 1730694528.

The previous prime is 2164154243. The next prime is 2164154257. The reversal of 2164154255 is 5524514612.

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

It is a cyclic number.

It is not a de Polignac number, because 2164154255 - 2¹⁰ = 2164153231 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 (2164154257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63194 + ... + 91223.

It is an arithmetic number, because the mean of its divisors is an integer number (324741054).

Almost surely, 2^2164154255 is an apocalyptic number.

2164154255 is a deficient number, since it is larger than the sum of its proper divisors (433774177).

2164154255 is a wasteful number, since it uses less digits than its factorization.

2164154255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157225.

The product of its digits is 48000, while the sum is 35.

The square root of 2164154255 is about 46520.4713540179. The cubic root of 2164154255 is about 1293.4889935947.

Adding to 2164154255 its reverse (5524514612), we get a palindrome (7688668867).

The spelling of 2164154255 in words is "two billion, one hundred sixty-four million, one hundred fifty-four thousand, two hundred fifty-five".