2164134053251 has 8 divisors (see below), whose sum is σ = 2164853433600. Its totient is φ = 2163414775872.

The previous prime is 2164134053203. The next prime is 2164134053297. The reversal of 2164134053251 is 1523504314612.

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 2164134053251 - 2¹⁵ = 2164134020483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2164134053251.

It is not an unprimeable number, because it can be changed into a prime (2164134056251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72721791 + ... + 72751543.

It is an arithmetic number, because the mean of its divisors is an integer number (270606679200).

Almost surely, 2^{2164134053251} is an apocalyptic number.

2164134053251 is a deficient number, since it is larger than the sum of its proper divisors (719380349).

2164134053251 is a wasteful number, since it uses less digits than its factorization.

2164134053251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51485.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 2164134053251 its reverse (1523504314612), we get a palindrome (3687638367863).

The spelling of 2164134053251 in words is "two trillion, one hundred sixty-four billion, one hundred thirty-four million, fifty-three thousand, two hundred fifty-one".