2196018036 has 72 divisors (see below), whose sum is σ = 5681579904. Its totient is φ = 714862080.

The previous prime is 2196017983. The next prime is 2196018079. The reversal of 2196018036 is 6308106912.

2196018036 is a `hidden beast` number, since 2 + 19 + 601 + 8 + 0 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964996 + ... + 967268.

It is an arithmetic number, because the mean of its divisors is an integer number (78910832).

Almost surely, 2^2196018036 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 2196018036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840789952).

2196018036 is an abundant number, since it is smaller than the sum of its proper divisors (3485561868).

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

2196018036 is a wasteful number, since it uses less digits than its factorization.

2196018036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2196018036 is about 46861.6904944753. The cubic root of 2196018036 is about 1299.8062898748.

The spelling of 2196018036 in words is "two billion, one hundred ninety-six million, eighteen thousand, thirty-six".