2164534356 has 24 divisors (see below), whose sum is σ = 5051523904. Its totient is φ = 721376640.

The previous prime is 2164534349. The next prime is 2164534417. The reversal of 2164534356 is 6534354612.

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, 66561 + ... + 93591.

Almost surely, 2^2164534356 is an apocalyptic number.

It is an amenable number.

2164534356 is an abundant number, since it is smaller than the sum of its proper divisors (2886989548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164534356 is a wasteful number, since it uses less digits than its factorization.

2164534356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33711 (or 33709 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 2164534356 is about 46524.5564836464. The cubic root of 2164534356 is about 1293.5647164285.

Adding to 2164534356 its reverse (6534354612), we get a palindrome (8698888968).

The spelling of 2164534356 in words is "two billion, one hundred sixty-four million, five hundred thirty-four thousand, three hundred fifty-six".