2160620361563 has 4 divisors (see below), whose sum is σ = 2160639334488. Its totient is φ = 2160601388640.

The previous prime is 2160620361553. The next prime is 2160620361587. The reversal of 2160620361563 is 3651630260612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2160620361563 - 2¹⁴ = 2160620345179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2160620361563.

It is not an unprimeable number, because it can be changed into a prime (2160620361503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9314606 + ... + 9543747.

It is an arithmetic number, because the mean of its divisors is an integer number (540159833622).

Almost surely, 2^{2160620361563} is an apocalyptic number.

2160620361563 is a deficient number, since it is larger than the sum of its proper divisors (18972925).

2160620361563 is a wasteful number, since it uses less digits than its factorization.

2160620361563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972924.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 2160620361563 in words is "two trillion, one hundred sixty billion, six hundred twenty million, three hundred sixty-one thousand, five hundred sixty-three".