13337165561 has 8 divisors (see below), whose sum is σ = 13700534400. Its totient is φ = 12975609760.

The previous prime is 13337165551. The next prime is 13337165581. The reversal of 13337165561 is 16556173331.

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

It is a cyclic number.

It is not a de Polignac number, because 13337165561 - 2⁶ = 13337165497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13337165531) 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 7 ways as a sum of consecutive naturals, for example, 438341 + ... + 467778.

It is an arithmetic number, because the mean of its divisors is an integer number (1712566800).

Almost surely, 2^13337165561 is an apocalyptic number.

It is an amenable number.

13337165561 is a deficient number, since it is larger than the sum of its proper divisors (363368839).

13337165561 is an equidigital number, since it uses as much as digits as its factorization.

13337165561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906519.

The product of its digits is 170100, while the sum is 41.

The spelling of 13337165561 in words is "thirteen billion, three hundred thirty-seven million, one hundred sixty-five thousand, five hundred sixty-one".