2105495916 has 24 divisors (see below), whose sum is σ = 4951511040. Its totient is φ = 696305232.

The previous prime is 2105495897. The next prime is 2105495927. The reversal of 2105495916 is 6195945012.

2105495916 = T₄₃ + T₄₄ + ... + T₂₃₂₈.

It is a super-2 number, since 2×2105495916² = 8866226104585358112, which contains 22 as substring.

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, 689256 + ... + 692303.

It is an arithmetic number, because the mean of its divisors is an integer number (206312960).

Almost surely, 2^2105495916 is an apocalyptic number.

It is an amenable number.

2105495916 is an abundant number, since it is smaller than the sum of its proper divisors (2846015124).

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

2105495916 is a wasteful number, since it uses less digits than its factorization.

2105495916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381693 (or 1381691 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 2105495916 is about 45885.6831266573. The cubic root of 2105495916 is about 1281.6953276460.

The spelling of 2105495916 in words is "two billion, one hundred five million, four hundred ninety-five thousand, nine hundred sixteen".