1663454342 has 8 divisors (see below), whose sum is σ = 2722016232. Its totient is φ = 756115600.

The previous prime is 1663454311. The next prime is 1663454371. The reversal of 1663454342 is 2434543661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1663454296 and 1663454305.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37805759 + ... + 37805802.

It is an arithmetic number, because the mean of its divisors is an integer number (340252029).

Almost surely, 2^1663454342 is an apocalyptic number.

1663454342 is a deficient number, since it is larger than the sum of its proper divisors (1058561890).

1663454342 is a wasteful number, since it uses less digits than its factorization.

1663454342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75611574.

The product of its digits is 207360, while the sum is 38.

The square root of 1663454342 is about 40785.4672892196. The cubic root of 1663454342 is about 1184.8688851829.

The spelling of 1663454342 in words is "one billion, six hundred sixty-three million, four hundred fifty-four thousand, three hundred forty-two".