2196126818 has 16 divisors (see below), whose sum is σ = 3469068000. Its totient is φ = 1039820832.

The previous prime is 2196126763. The next prime is 2196126847. The reversal of 2196126818 is 8186216912.

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, 86798 + ... + 109206.

It is an arithmetic number, because the mean of its divisors is an integer number (216816750).

Almost surely, 2^2196126818 is an apocalyptic number.

2196126818 is a deficient number, since it is larger than the sum of its proper divisors (1272941182).

2196126818 is a wasteful number, since it uses less digits than its factorization.

2196126818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25009.

The product of its digits is 82944, while the sum is 44.

The square root of 2196126818 is about 46862.8511509917. The cubic root of 2196126818 is about 1299.8277519318.

The spelling of 2196126818 in words is "two billion, one hundred ninety-six million, one hundred twenty-six thousand, eight hundred eighteen".