2057144606646 has 16 divisors (see below), whose sum is σ = 4191917312304. Its totient is φ = 672776852384.

The previous prime is 2057144606579. The next prime is 2057144606677. The reversal of 2057144606646 is 6466064417502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234503781 + ... + 3234504416.

It is an arithmetic number, because the mean of its divisors is an integer number (261994832019).

Almost surely, 2^{2057144606646} is an apocalyptic number.

2057144606646 is an abundant number, since it is smaller than the sum of its proper divisors (2134772705658).

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

2057144606646 is a wasteful number, since it uses less digits than its factorization.

2057144606646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469008255.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 2057144606646 in words is "two trillion, fifty-seven billion, one hundred forty-four million, six hundred six thousand, six hundred forty-six".