2196161634 has 16 divisors (see below), whose sum is σ = 4454187840. Its totient is φ = 721743120.

The previous prime is 2196161623. The next prime is 2196161641. The reversal of 2196161634 is 4361616912.

It is a junction number, because it is equal to n+sod(n) for n = 2196161592 and 2196161601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577229 + ... + 2578080.

It is an arithmetic number, because the mean of its divisors is an integer number (278386740).

Almost surely, 2^2196161634 is an apocalyptic number.

2196161634 is an abundant number, since it is smaller than the sum of its proper divisors (2258026206).

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

2196161634 is a wasteful number, since it uses less digits than its factorization.

2196161634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155385.

The product of its digits is 46656, while the sum is 39.

The square root of 2196161634 is about 46863.2226164612. Note that the first 3 decimals coincide. The cubic root of 2196161634 is about 1299.8346207768.

The spelling of 2196161634 in words is "two billion, one hundred ninety-six million, one hundred sixty-one thousand, six hundred thirty-four".