257712554632216 has 64 divisors (see below), whose sum is σ = 503206098667200. Its totient is φ = 123583580736000.

The previous prime is 257712554632067. The next prime is 257712554632243. The reversal of 257712554632216 is 612236455217752.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859290126 + ... + 859589986.

It is an arithmetic number, because the mean of its divisors is an integer number (7862595291675).

Almost surely, 2^{257712554632216} is an apocalyptic number.

It is an amenable number.

257712554632216 is a deficient number, since it is larger than the sum of its proper divisors (245493544034984).

257712554632216 is a wasteful number, since it uses less digits than its factorization.

257712554632216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324580 (or 324576 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 58.

The spelling of 257712554632216 in words is "two hundred fifty-seven trillion, seven hundred twelve billion, five hundred fifty-four million, six hundred thirty-two thousand, two hundred sixteen".