1663567422 has 32 divisors (see below), whose sum is σ = 3691128960. Its totient is φ = 495565920.

The previous prime is 1663567421. The next prime is 1663567459. The reversal of 1663567422 is 2247653661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663567421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209713 + ... + 217500.

It is an arithmetic number, because the mean of its divisors is an integer number (115347780).

Almost surely, 2^1663567422 is an apocalyptic number.

1663567422 is an abundant number, since it is smaller than the sum of its proper divisors (2027561538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1663567422 is a wasteful number, since it uses less digits than its factorization.

1663567422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427288.

The product of its digits is 362880, while the sum is 42.

The square root of 1663567422 is about 40786.8535437584. The cubic root of 1663567422 is about 1184.8957333174.

The spelling of 1663567422 in words is "one billion, six hundred sixty-three million, five hundred sixty-seven thousand, four hundred twenty-two".