8257545513216 has 360 divisors, whose sum is σ = 25273347052800. Its totient is φ = 2680350621696.

The previous prime is 8257545513193. The next prime is 8257545513233. The reversal of 8257545513216 is 6123155457528.

8257545513216 is a `hidden beast` number, since 8 + 2 + 5 + 7 + 54 + 551 + 32 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193922520 + ... + 193965096.

Almost surely, 2^{8257545513216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8257545513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12636673526400).

8257545513216 is an abundant number, since it is smaller than the sum of its proper divisors (17015801539584).

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

8257545513216 is a wasteful number, since it uses less digits than its factorization.

8257545513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42851 (or 42828 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 54.

The spelling of 8257545513216 in words is "eight trillion, two hundred fifty-seven billion, five hundred forty-five million, five hundred thirteen thousand, two hundred sixteen".