2196663938 has 16 divisors (see below), whose sum is σ = 3766362624. Its totient is φ = 941264160.

The previous prime is 2196663907. The next prime is 2196663961. The reversal of 2196663938 is 8393666912.

It is a self number, because there is not a number n which added to its sum of digits gives 2196663938.

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, 106703 + ... + 125613.

It is an arithmetic number, because the mean of its divisors is an integer number (235397664).

Almost surely, 2^2196663938 is an apocalyptic number.

2196663938 is a deficient number, since it is larger than the sum of its proper divisors (1569698686).

2196663938 is a wasteful number, since it uses less digits than its factorization.

2196663938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27217.

The product of its digits is 2519424, while the sum is 53.

The square root of 2196663938 is about 46868.5815659062. The cubic root of 2196663938 is about 1299.9337122019.

The spelling of 2196663938 in words is "two billion, one hundred ninety-six million, six hundred sixty-three thousand, nine hundred thirty-eight".