2051616502056 has 32 divisors (see below), whose sum is σ = 5595317733600. Its totient is φ = 621701970240.

The previous prime is 2051616502051. The next prime is 2051616502057. The reversal of 2051616502056 is 6502056161502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2051616502051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3885637051 + ... + 3885637578.

It is an arithmetic number, because the mean of its divisors is an integer number (174853679175).

Almost surely, 2^{2051616502056} is an apocalyptic number.

It is an amenable number.

2051616502056 is an abundant number, since it is smaller than the sum of its proper divisors (3543701231544).

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

2051616502056 is a wasteful number, since it uses less digits than its factorization.

2051616502056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771274649 (or 7771274645 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2051616502056 in words is "two trillion, fifty-one billion, six hundred sixteen million, five hundred two thousand, fifty-six".