1663053 has 8 divisors (see below), whose sum is σ = 2534208. Its totient is φ = 950304.

The previous prime is 1663031. The next prime is 1663073. The reversal of 1663053 is 3503661.

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

It is not a de Polignac number, because 1663053 - 2¹⁰ = 1662029 is a prime.

It is a Curzon number.

1663053 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663073) 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, 39576 + ... + 39617.

It is an arithmetic number, because the mean of its divisors is an integer number (316776).

2^1663053 is an apocalyptic number.

It is an amenable number.

1663053 is a deficient number, since it is larger than the sum of its proper divisors (871155).

1663053 is an equidigital number, since it uses as much as digits as its factorization.

1663053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79203.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1663053 is about 1289.5941221950. The cubic root of 1663053 is about 118.4773586325.

The spelling of 1663053 in words is "one million, six hundred sixty-three thousand, fifty-three".