2116021146 has 16 divisors (see below), whose sum is σ = 4454781600. Its totient is φ = 668217168.

The previous prime is 2116021121. The next prime is 2116021151. The reversal of 2116021146 is 6411206112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280681 + ... + 9280908.

It is an arithmetic number, because the mean of its divisors is an integer number (278423850).

Almost surely, 2^2116021146 is an apocalyptic number.

2116021146 is an abundant number, since it is smaller than the sum of its proper divisors (2338760454).

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

2116021146 is a wasteful number, since it uses less digits than its factorization.

2116021146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18561613.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2116021146 is about 46000.2298472519. The cubic root of 2116021146 is about 1283.8274811643.

Adding to 2116021146 its reverse (6411206112), we get a palindrome (8527227258).

The spelling of 2116021146 in words is "two billion, one hundred sixteen million, twenty-one thousand, one hundred forty-six".