4521225659168 has 24 divisors (see below), whose sum is σ = 8925026747868. Its totient is φ = 2254552199424.

The previous prime is 4521225659131. The next prime is 4521225659179. The reversal of 4521225659168 is 8619565221254.

It can be written as a sum of positive squares in 2 ways, for example, as 4474020275344 + 47205383824 = 2115188^2 + 217268^2 .

It is a super-2 number, since 2×4521225659168² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189382571 + ... + 189406442.

Almost surely, 2^{4521225659168} is an apocalyptic number.

It is an amenable number.

4521225659168 is a deficient number, since it is larger than the sum of its proper divisors (4403801088700).

4521225659168 is a wasteful number, since it uses less digits than its factorization.

4521225659168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378789396 (or 378789388 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 56.

The spelling of 4521225659168 in words is "four trillion, five hundred twenty-one billion, two hundred twenty-five million, six hundred fifty-nine thousand, one hundred sixty-eight".