4556516198401 has 4 divisors (see below), whose sum is σ = 4562052670912. Its totient is φ = 4550979725892.

The previous prime is 4556516198281. The next prime is 4556516198449. The reversal of 4556516198401 is 1048916156554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4556516198401 - 2⁹ = 4556516197889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4556516198461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768235021 + ... + 2768236666.

It is an arithmetic number, because the mean of its divisors is an integer number (1140513167728).

Almost surely, 2^{4556516198401} is an apocalyptic number.

It is an amenable number.

4556516198401 is a deficient number, since it is larger than the sum of its proper divisors (5536472511).

4556516198401 is an equidigital number, since it uses as much as digits as its factorization.

4556516198401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536472510.

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 4556516198401 in words is "four trillion, five hundred fifty-six billion, five hundred sixteen million, one hundred ninety-eight thousand, four hundred one".