13366683540 has 648 divisors, whose sum is σ = 51918965280. Its totient is φ = 2767322880.

The previous prime is 13366683503. The next prime is 13366683553. The reversal of 13366683540 is 4538666331.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 215 ways as a sum of consecutive naturals, for example, 161044339 + ... + 161044421.

It is an arithmetic number, because the mean of its divisors is an integer number (80121860).

Almost surely, 2^13366683540 is an apocalyptic number.

13366683540 is a gapful number since it is divisible by the number (10) 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 13366683540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25959482640).

13366683540 is an abundant number, since it is smaller than the sum of its proper divisors (38552281740).

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

13366683540 is a wasteful number, since it uses less digits than its factorization.

13366683540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 13366683540 in words is "thirteen billion, three hundred sixty-six million, six hundred eighty-three thousand, five hundred forty".