13603206662208 has 168 divisors, whose sum is σ = 39361401132768. Its totient is φ = 4491355557888.

The previous prime is 13603206662167. The next prime is 13603206662251. The reversal of 13603206662208 is 80226660230631.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579513960 + ... + 579537432.

Almost surely, 2^{13603206662208} is an apocalyptic number.

13603206662208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13603206662208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19680700566384).

13603206662208 is an abundant number, since it is smaller than the sum of its proper divisors (25758194470560).

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

13603206662208 is a wasteful number, since it uses less digits than its factorization.

13603206662208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33001 (or 32988 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

Adding to 13603206662208 its reverse (80226660230631), we get a palindrome (93829866892839).

The spelling of 13603206662208 in words is "thirteen trillion, six hundred three billion, two hundred six million, six hundred sixty-two thousand, two hundred eight".