1663412334 has 16 divisors (see below), whose sum is σ = 3441543120. Its totient is φ = 535351040.

The previous prime is 1663412327. The next prime is 1663412339. The reversal of 1663412334 is 4332143661.

It is a junction number, because it is equal to n+sod(n) for n = 1663412295 and 1663412304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663412339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4779747 + ... + 4780094.

It is an arithmetic number, because the mean of its divisors is an integer number (215096445).

Almost surely, 2^1663412334 is an apocalyptic number.

1663412334 is an abundant number, since it is smaller than the sum of its proper divisors (1778130786).

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

1663412334 is a wasteful number, since it uses less digits than its factorization.

1663412334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559875.

The product of its digits is 31104, while the sum is 33.

The square root of 1663412334 is about 40784.9522986113. The cubic root of 1663412334 is about 1184.8589110807.

Adding to 1663412334 its reverse (4332143661), we get a palindrome (5995555995).

The spelling of 1663412334 in words is "one billion, six hundred sixty-three million, four hundred twelve thousand, three hundred thirty-four".