1663602429245 has 8 divisors (see below), whose sum is σ = 1998981139200. Its totient is φ = 1329109794000.

The previous prime is 1663602429233. The next prime is 1663602429277. The reversal of 1663602429245 is 5429242063661.

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

It is not a de Polignac number, because 1663602429245 - 2³⁸ = 1388724522301 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1663602429193 and 1663602429202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221514545 + ... + 221522054.

It is an arithmetic number, because the mean of its divisors is an integer number (249872642400).

Almost surely, 2^{1663602429245} is an apocalyptic number.

It is an amenable number.

1663602429245 is a deficient number, since it is larger than the sum of its proper divisors (335378709955).

1663602429245 is an equidigital number, since it uses as much as digits as its factorization.

1663602429245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443037355.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 1663602429245 in words is "one trillion, six hundred sixty-three billion, six hundred two million, four hundred twenty-nine thousand, two hundred forty-five".