2179379616 has 48 divisors (see below), whose sum is σ = 5777539488. Its totient is φ = 719264000.

The previous prime is 2179379603. The next prime is 2179379633. The reversal of 2179379616 is 6169739712.

It is a tau number, because it is divible by the number of its divisors (48).

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, 102690 + ... + 122081.

It is an arithmetic number, because the mean of its divisors is an integer number (120365406).

Almost surely, 2^2179379616 is an apocalyptic number.

It is an amenable number.

2179379616 is an abundant number, since it is smaller than the sum of its proper divisors (3598159872).

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

2179379616 is a wasteful number, since it uses less digits than its factorization.

2179379616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224885 (or 224877 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 2179379616 is about 46683.8260642805. The cubic root of 2179379616 is about 1296.5152462789.

The spelling of 2179379616 in words is "two billion, one hundred seventy-nine million, three hundred seventy-nine thousand, six hundred sixteen".