4575406221665 has 8 divisors (see below), whose sum is σ = 5500524923520. Its totient is φ = 3653633338992.

The previous prime is 4575406221653. The next prime is 4575406221691. The reversal of 4575406221665 is 5661226045754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4575406221665 - 2¹⁴ = 4575406205281 is a prime.

It is a super-2 number, since 2×4575406221665² (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 7 ways as a sum of consecutive naturals, for example, 836451785 + ... + 836457254.

It is an arithmetic number, because the mean of its divisors is an integer number (687565615440).

Almost surely, 2^{4575406221665} is an apocalyptic number.

It is an amenable number.

4575406221665 is a deficient number, since it is larger than the sum of its proper divisors (925118701855).

4575406221665 is a wasteful number, since it uses less digits than its factorization.

4575406221665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672909591.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 4575406221665 in words is "four trillion, five hundred seventy-five billion, four hundred six million, two hundred twenty-one thousand, six hundred sixty-five".