4165664225548 has 24 divisors (see below), whose sum is σ = 8467907609504. Its totient is φ = 1756017705600.

The previous prime is 4165664225543. The next prime is 4165664225587. The reversal of 4165664225548 is 8455224665614.

It is a junction number, because it is equal to n+sod(n) for n = 4165664225492 and 4165664225501.

It is not an unprimeable number, because it can be changed into a prime (4165664225543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219455033 + ... + 1219458448.

Almost surely, 2^{4165664225548} is an apocalyptic number.

It is an amenable number.

4165664225548 is an abundant number, since it is smaller than the sum of its proper divisors (4302243383956).

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

4165664225548 is a wasteful number, since it uses less digits than its factorization.

4165664225548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438913553 (or 2438913551 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 58.

The spelling of 4165664225548 in words is "four trillion, one hundred sixty-five billion, six hundred sixty-four million, two hundred twenty-five thousand, five hundred forty-eight".