2051237208168 has 96 divisors (see below), whose sum is σ = 5724168209760. Its totient is φ = 663098866560.

The previous prime is 2051237208151. The next prime is 2051237208191. The reversal of 2051237208168 is 8618027321502.

2051237208168 is a `hidden beast` number, since 2 + 0 + 51 + 237 + 208 + 168 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436198 + ... + 2071893.

It is an arithmetic number, because the mean of its divisors is an integer number (59626752185).

Almost surely, 2^{2051237208168} is an apocalyptic number.

It is an amenable number.

2051237208168 is an abundant number, since it is smaller than the sum of its proper divisors (3672931001592).

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

2051237208168 is a wasteful number, since it uses less digits than its factorization.

2051237208168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508447 (or 2508440 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 2051237208168 in words is "two trillion, fifty-one billion, two hundred thirty-seven million, two hundred eight thousand, one hundred sixty-eight".