2105651116 has 12 divisors (see below), whose sum is σ = 3685225432. Its totient is φ = 1052729568.

The previous prime is 2105651113. The next prime is 2105651129. The reversal of 2105651116 is 6111565012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2105651113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52336 + ... + 83368.

Almost surely, 2^2105651116 is an apocalyptic number.

It is an amenable number.

2105651116 is a deficient number, since it is larger than the sum of its proper divisors (1579574316).

2105651116 is a wasteful number, since it uses less digits than its factorization.

2105651116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48000 (or 47998 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2105651116 is about 45887.3742547991. The cubic root of 2105651116 is about 1281.7268189170.

The spelling of 2105651116 in words is "two billion, one hundred five million, six hundred fifty-one thousand, one hundred sixteen".