1663113 has 8 divisors (see below), whose sum is σ = 2277568. Its totient is φ = 1078704.

The previous prime is 1663099. The next prime is 1663117. The reversal of 1663113 is 3113661.

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

It is not a de Polignac number, because 1663113 - 2¹³ = 1654921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1663113.

It is not an unprimeable number, because it can be changed into a prime (1663117) 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, 7381 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (284696).

2^1663113 is an apocalyptic number.

It is an amenable number.

1663113 is a deficient number, since it is larger than the sum of its proper divisors (614455).

1663113 is a wasteful number, since it uses less digits than its factorization.

1663113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15023.

The product of its digits is 324, while the sum is 21.

The square root of 1663113 is about 1289.6173851185. The cubic root of 1663113 is about 118.4787834329.

Adding to 1663113 its reverse (3113661), we get a palindrome (4776774).

The spelling of 1663113 in words is "one million, six hundred sixty-three thousand, one hundred thirteen".