1663415236353 has 16 divisors (see below), whose sum is σ = 2388841071680. Its totient is φ = 1023491260224.

The previous prime is 1663415236331. The next prime is 1663415236391. The reversal of 1663415236353 is 3536325143661.

It is not a de Polignac number, because 1663415236353 - 2¹⁶ = 1663415170817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1663415236303) 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 15 ways as a sum of consecutive naturals, for example, 2829898 + ... + 3366771.

It is an arithmetic number, because the mean of its divisors is an integer number (149302566980).

Almost surely, 2^{1663415236353} is an apocalyptic number.

1663415236353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1663415236353 is a deficient number, since it is larger than the sum of its proper divisors (725425835327).

1663415236353 is a wasteful number, since it uses less digits than its factorization.

1663415236353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203568.

The product of its digits is 3499200, while the sum is 48.

The spelling of 1663415236353 in words is "one trillion, six hundred sixty-three billion, four hundred fifteen million, two hundred thirty-six thousand, three hundred fifty-three".