2057878152066 has 32 divisors (see below), whose sum is σ = 4531107873600. Its totient is φ = 617878342080.

The previous prime is 2057878152019. The next prime is 2057878152167. The reversal of 2057878152066 is 6602518787502.

It is a junction number, because it is equal to n+sod(n) for n = 2057878151997 and 2057878152015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143020201 + ... + 143034588.

It is an arithmetic number, because the mean of its divisors is an integer number (141597121050).

Almost surely, 2^{2057878152066} is an apocalyptic number.

2057878152066 is an abundant number, since it is smaller than the sum of its proper divisors (2473229721534).

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

2057878152066 is a wasteful number, since it uses less digits than its factorization.

2057878152066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286054914.

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 2057878152066 in words is "two trillion, fifty-seven billion, eight hundred seventy-eight million, one hundred fifty-two thousand, sixty-six".