13166232541550 has 192 divisors, whose sum is σ = 29797125004800. Its totient is φ = 4265866137600.

The previous prime is 13166232541547. The next prime is 13166232541559. The reversal of 13166232541550 is 5514523266131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166232541559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 254546591 + ... + 254598309.

It is an arithmetic number, because the mean of its divisors is an integer number (155193359400).

Almost surely, 2^{13166232541550} is an apocalyptic number.

13166232541550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13166232541550 is an abundant number, since it is smaller than the sum of its proper divisors (16630892463250).

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

13166232541550 is a wasteful number, since it uses less digits than its factorization.

13166232541550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53211 (or 53206 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 13166232541550 in words is "thirteen trillion, one hundred sixty-six billion, two hundred thirty-two million, five hundred forty-one thousand, five hundred fifty".