2116523570 has 16 divisors (see below), whose sum is σ = 4353991488. Its totient is φ = 725665200.

The previous prime is 2116523491. The next prime is 2116523581. The reversal of 2116523570 is 753256112.

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 7 ways as a sum of consecutive naturals, for example, 15117956 + ... + 15118095.

It is an arithmetic number, because the mean of its divisors is an integer number (272124468).

Almost surely, 2^2116523570 is an apocalyptic number.

2116523570 is an abundant number, since it is smaller than the sum of its proper divisors (2237467918).

2116523570 is a wasteful number, since it uses less digits than its factorization.

2116523570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30236065.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2116523570 is about 46005.6906262693. The cubic root of 2116523570 is about 1283.9290829677.

Adding to 2116523570 its reverse (753256112), we get a palindrome (2869779682).

The spelling of 2116523570 in words is "two billion, one hundred sixteen million, five hundred twenty-three thousand, five hundred seventy".