2164323554115 has 16 divisors (see below), whose sum is σ = 3506752089600. Its totient is φ = 1139694427872.

The previous prime is 2164323554101. The next prime is 2164323554119. The reversal of 2164323554115 is 5114553234612.

It is not a de Polignac number, because 2164323554115 - 2⁶ = 2164323554051 is a prime.

It is a super-5 number, since 5×2164323554115⁵ (a number of 63 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164323554119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913215505 + ... + 913217874.

It is an arithmetic number, because the mean of its divisors is an integer number (219172005600).

Almost surely, 2^{2164323554115} is an apocalyptic number.

2164323554115 is a deficient number, since it is larger than the sum of its proper divisors (1342428535485).

2164323554115 is a wasteful number, since it uses less digits than its factorization.

2164323554115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826433466.

The product of its digits is 432000, while the sum is 42.

Adding to 2164323554115 its reverse (5114553234612), we get a palindrome (7278876788727).

The spelling of 2164323554115 in words is "two trillion, one hundred sixty-four billion, three hundred twenty-three million, five hundred fifty-four thousand, one hundred fifteen".