1663334386 has 16 divisors (see below), whose sum is σ = 2852291520. Its totient is φ = 712642320.

The previous prime is 1663334341. The next prime is 1663334389. The reversal of 1663334386 is 6834333661.

It is not an unprimeable number, because it can be changed into a prime (1663334389) 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 7 ways as a sum of consecutive naturals, for example, 35580 + ... + 67768.

It is an arithmetic number, because the mean of its divisors is an integer number (178268220).

Almost surely, 2^1663334386 is an apocalyptic number.

1663334386 is a deficient number, since it is larger than the sum of its proper divisors (1188957134).

1663334386 is a wasteful number, since it uses less digits than its factorization.

1663334386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35889.

The product of its digits is 559872, while the sum is 43.

The square root of 1663334386 is about 40783.9966898782. The cubic root of 1663334386 is about 1184.8404031771.

The spelling of 1663334386 in words is "one billion, six hundred sixty-three million, three hundred thirty-four thousand, three hundred eighty-six".