2161647050 has 48 divisors (see below), whose sum is σ = 4158162432. Its totient is φ = 835195200.

The previous prime is 2161647011. The next prime is 2161647067. The reversal of 2161647050 is 507461612.

It is a junction number, because it is equal to n+sod(n) for n = 2161646998 and 2161647016.

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 23 ways as a sum of consecutive naturals, for example, 1150712 + ... + 1152588.

It is an arithmetic number, because the mean of its divisors is an integer number (86628384).

Almost surely, 2^2161647050 is an apocalyptic number.

2161647050 is a deficient number, since it is larger than the sum of its proper divisors (1996515382).

2161647050 is a wasteful number, since it uses less digits than its factorization.

2161647050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2161647050 is about 46493.5162146293. The cubic root of 2161647050 is about 1292.9892918071.

The spelling of 2161647050 in words is "two billion, one hundred sixty-one million, six hundred forty-seven thousand, fifty".