2161013352 has 32 divisors (see below), whose sum is σ = 5406821280. Its totient is φ = 719766080.

The previous prime is 2161013341. The next prime is 2161013353. The reversal of 2161013352 is 2533101612.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2161013353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4299 + ... + 65882.

It is an arithmetic number, because the mean of its divisors is an integer number (168963165).

Almost surely, 2^2161013352 is an apocalyptic number.

It is an amenable number.

2161013352 is an abundant number, since it is smaller than the sum of its proper divisors (3245807928).

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

2161013352 is a wasteful number, since it uses less digits than its factorization.

2161013352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71473 (or 71469 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2161013352 is about 46486.7008078655. The cubic root of 2161013352 is about 1292.8629306283.

Adding to 2161013352 its reverse (2533101612), we get a palindrome (4694114964).

It can be divided in two parts, 216101 and 3352, that added together give a triangular number (219453 = T₆₆₂).

The spelling of 2161013352 in words is "two billion, one hundred sixty-one million, thirteen thousand, three hundred fifty-two".