13166115433350 has 288 divisors, whose sum is σ = 37468831841280. Its totient is φ = 3051527846400.

The previous prime is 13166115433319. The next prime is 13166115433363. The reversal of 13166115433350 is 5333451166131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1021493706 + ... + 1021506594.

It is an arithmetic number, because the mean of its divisors is an integer number (130100110560).

Almost surely, 2^{13166115433350} is an apocalyptic number.

13166115433350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13166115433350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18734415920640).

13166115433350 is an abundant number, since it is smaller than the sum of its proper divisors (24302716407930).

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

13166115433350 is a wasteful number, since it uses less digits than its factorization.

13166115433350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396 (or 15380 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

Adding to 13166115433350 its reverse (5333451166131), we get a palindrome (18499566599481).

The spelling of 13166115433350 in words is "thirteen trillion, one hundred sixty-six billion, one hundred fifteen million, four hundred thirty-three thousand, three hundred fifty".