257201266696 has 16 divisors (see below), whose sum is σ = 526093500240. Its totient is φ = 116909666640.

The previous prime is 257201266691. The next prime is 257201266841. The reversal of 257201266696 is 696662102752.

It is not an unprimeable number, because it can be changed into a prime (257201266691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461370746 + ... + 1461370921.

It is an arithmetic number, because the mean of its divisors is an integer number (32880843765).

Almost surely, 2^257201266696 is an apocalyptic number.

It is an amenable number.

257201266696 is an abundant number, since it is smaller than the sum of its proper divisors (268892233544).

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

257201266696 is a wasteful number, since it uses less digits than its factorization.

257201266696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922741684 (or 2922741680 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 257201266696 in words is "two hundred fifty-seven billion, two hundred one million, two hundred sixty-six thousand, six hundred ninety-six".