257003266016 has 48 divisors (see below), whose sum is σ = 596910827520. Its totient is φ = 106591213440.

The previous prime is 257003266001. The next prime is 257003266019. The reversal of 257003266016 is 610662300752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257003266019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18498476 + ... + 18512363.

It is an arithmetic number, because the mean of its divisors is an integer number (12435642240).

Almost surely, 2^257003266016 is an apocalyptic number.

It is an amenable number.

257003266016 is an abundant number, since it is smaller than the sum of its proper divisors (339907561504).

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

257003266016 is a wasteful number, since it uses less digits than its factorization.

257003266016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010887 (or 37010879 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

Adding to 257003266016 its reverse (610662300752), we get a palindrome (867665566768).

The spelling of 257003266016 in words is "two hundred fifty-seven billion, three million, two hundred sixty-six thousand, sixteen".