2049951168 has 42 divisors (see below), whose sum is σ = 5875816544. Its totient is φ = 683316864.

The previous prime is 2049951067. The next prime is 2049951209. The reversal of 2049951168 is 8611599402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1778896 + ... + 1780047.

Almost surely, 2^2049951168 is an apocalyptic number.

It is an amenable number.

2049951168 is an abundant number, since it is smaller than the sum of its proper divisors (3825865376).

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

2049951168 is a wasteful number, since it uses less digits than its factorization.

2049951168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558961 (or 3558948 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2049951168 is about 45276.3864282476. The cubic root of 2049951168 is about 1270.3240060331.

The spelling of 2049951168 in words is "two billion, forty-nine million, nine hundred fifty-one thousand, one hundred sixty-eight".