19765481162 has 32 divisors (see below), whose sum is σ = 34408281600. Its totient is φ = 8340571008.

The previous prime is 19765481149. The next prime is 19765481167. The reversal of 19765481162 is 26118456791.

It is a self number, because there is not a number n which added to its sum of digits gives 19765481162.

It is not an unprimeable number, because it can be changed into a prime (19765481167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264608 + ... + 330980.

It is an arithmetic number, because the mean of its divisors is an integer number (1075258800).

Almost surely, 2^19765481162 is an apocalyptic number.

19765481162 is a deficient number, since it is larger than the sum of its proper divisors (14642800438).

19765481162 is a wasteful number, since it uses less digits than its factorization.

19765481162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66710.

The product of its digits is 725760, while the sum is 50.

The spelling of 19765481162 in words is "nineteen billion, seven hundred sixty-five million, four hundred eighty-one thousand, one hundred sixty-two".