1663032142 has 8 divisors (see below), whose sum is σ = 2535442632. Its totient is φ = 817884600.

The previous prime is 1663032139. The next prime is 1663032143. The reversal of 1663032142 is 2412303661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1663032142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663032143) 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 3 ways as a sum of consecutive naturals, for example, 6815584 + ... + 6815827.

It is an arithmetic number, because the mean of its divisors is an integer number (316930329).

Almost surely, 2^1663032142 is an apocalyptic number.

1663032142 is a deficient number, since it is larger than the sum of its proper divisors (872410490).

1663032142 is a wasteful number, since it uses less digits than its factorization.

1663032142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631474.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1663032142 is about 40780.2910975388. The cubic root of 1663032142 is about 1184.7686331633.

The spelling of 1663032142 in words is "one billion, six hundred sixty-three million, thirty-two thousand, one hundred forty-two".