2051164044 has 36 divisors (see below), whose sum is σ = 5186615616. Its totient is φ = 683493408.

The previous prime is 2051164013. The next prime is 2051164051. The reversal of 2051164044 is 4404611502.

2051164044 is a `hidden beast` number, since 2 + 0 + 5 + 11 + 640 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2051163999 and 2051164017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126757 + ... + 142019.

It is an arithmetic number, because the mean of its divisors is an integer number (144072656).

Almost surely, 2^2051164044 is an apocalyptic number.

It is an amenable number.

2051164044 is an abundant number, since it is smaller than the sum of its proper divisors (3135451572).

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

2051164044 is a wasteful number, since it uses less digits than its factorization.

2051164044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19006 (or 19001 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2051164044 is about 45289.7785819273. The cubic root of 2051164044 is about 1270.5744903303.

Adding to 2051164044 its reverse (4404611502), we get a palindrome (6455775546).

The spelling of 2051164044 in words is "two billion, fifty-one million, one hundred sixty-four thousand, forty-four".