2166432414563 has 4 divisors (see below), whose sum is σ = 2179405063920. Its totient is φ = 2153459765208.

The previous prime is 2166432414511. The next prime is 2166432414599. The reversal of 2166432414563 is 3654142346612.

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 2166432414563 - 2¹⁰ = 2166432413539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166432414763) 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, 6486324428 + ... + 6486324761.

It is an arithmetic number, because the mean of its divisors is an integer number (544851265980).

Almost surely, 2^{2166432414563} is an apocalyptic number.

2166432414563 is a deficient number, since it is larger than the sum of its proper divisors (12972649357).

2166432414563 is a wasteful number, since it uses less digits than its factorization.

2166432414563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12972649356.

The product of its digits is 2488320, while the sum is 47.

The spelling of 2166432414563 in words is "two trillion, one hundred sixty-six billion, four hundred thirty-two million, four hundred fourteen thousand, five hundred sixty-three".