2116463566 has 48 divisors (see below), whose sum is σ = 3846712032. Its totient is φ = 870004800.

The previous prime is 2116463549. The next prime is 2116463567. The reversal of 2116463566 is 6653646112.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116463567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253336 + ... + 261556.

It is an arithmetic number, because the mean of its divisors is an integer number (80139834).

Almost surely, 2^2116463566 is an apocalyptic number.

2116463566 is a deficient number, since it is larger than the sum of its proper divisors (1730248466).

2116463566 is a wasteful number, since it uses less digits than its factorization.

2116463566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345 (or 8338 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 2116463566 is about 46005.0384849312. The cubic root of 2116463566 is about 1283.9169496107.

The spelling of 2116463566 in words is "two billion, one hundred sixteen million, four hundred sixty-three thousand, five hundred sixty-six".