2182153652 has 42 divisors (see below), whose sum is σ = 4456185762. Its totient is φ = 935007024.

The previous prime is 2182153639. The next prime is 2182153663. The reversal of 2182153652 is 2563512812.

It can be written as a sum of positive squares in only one way, i.e., 1638144676 + 544008976 = 40474^2 + 23324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 468278 + ... + 472914.

It is an arithmetic number, because the mean of its divisors is an integer number (106099661).

Almost surely, 2^2182153652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2182153652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228092881).

2182153652 is an abundant number, since it is smaller than the sum of its proper divisors (2274032110).

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

2182153652 is an frugal number, since it uses more digits than its factorization.

2182153652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4646 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 2182153652 is about 46713.5275054240. The cubic root of 2182153652 is about 1297.0651053678.

The spelling of 2182153652 in words is "two billion, one hundred eighty-two million, one hundred fifty-three thousand, six hundred fifty-two".