2196523736 has 64 divisors (see below), whose sum is σ = 4713361920. Its totient is φ = 949893120.

The previous prime is 2196523723. The next prime is 2196523741. The reversal of 2196523736 is 6373256912.

It is a super-2 number, since 2×2196523736² = 9649433045622795392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387821 + ... + 393443.

It is an arithmetic number, because the mean of its divisors is an integer number (73646280).

Almost surely, 2^2196523736 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 2196523736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356680960).

2196523736 is an abundant number, since it is smaller than the sum of its proper divisors (2516838184).

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

2196523736 is a wasteful number, since it uses less digits than its factorization.

2196523736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5856 (or 5852 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 2196523736 is about 46867.0858492397. The cubic root of 2196523736 is about 1299.9060555387.

The spelling of 2196523736 in words is "two billion, one hundred ninety-six million, five hundred twenty-three thousand, seven hundred thirty-six".