4165664225547 has 64 divisors (see below), whose sum is σ = 6495035258880. Its totient is φ = 2346723494400.

The previous prime is 4165664225543. The next prime is 4165664225587. The reversal of 4165664225547 is 7455224665614.

It is not a de Polignac number, because 4165664225547 - 2² = 4165664225543 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 156950604 + ... + 156977142.

It is an arithmetic number, because the mean of its divisors is an integer number (101484925920).

Almost surely, 2^{4165664225547} is an apocalyptic number.

4165664225547 is a deficient number, since it is larger than the sum of its proper divisors (2329371033333).

4165664225547 is a wasteful number, since it uses less digits than its factorization.

4165664225547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024.

The product of its digits is 48384000, while the sum is 57.

The spelling of 4165664225547 in words is "four trillion, one hundred sixty-five billion, six hundred sixty-four million, two hundred twenty-five thousand, five hundred forty-seven".