2196171950 has 48 divisors (see below), whose sum is σ = 4709832480. Its totient is φ = 746296320.

The previous prime is 2196171937. The next prime is 2196172051. The reversal of 2196171950 is 591716912.

It is a junction number, because it is equal to n+sod(n) for n = 2196171898 and 2196171907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11786 + ... + 67314.

It is an arithmetic number, because the mean of its divisors is an integer number (98121510).

Almost surely, 2^2196171950 is an apocalyptic number.

2196171950 is an abundant number, since it is smaller than the sum of its proper divisors (2513660530).

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

2196171950 is a wasteful number, since it uses less digits than its factorization.

2196171950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55661 (or 55656 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 41.

The square root of 2196171950 is about 46863.3326813192. The cubic root of 2196171950 is about 1299.8366560054.

The spelling of 2196171950 in words is "two billion, one hundred ninety-six million, one hundred seventy-one thousand, nine hundred fifty".