13164221415 has 8 divisors (see below), whose sum is σ = 21062754288. Its totient is φ = 7020918080.

The previous prime is 13164221387. The next prime is 13164221417. The reversal of 13164221415 is 51412246131.

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

It is not a de Polignac number, because 13164221415 - 2⁶ = 13164221351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13164221417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438807366 + ... + 438807395.

It is an arithmetic number, because the mean of its divisors is an integer number (2632844286).

Almost surely, 2^13164221415 is an apocalyptic number.

13164221415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13164221415 is a deficient number, since it is larger than the sum of its proper divisors (7898532873).

13164221415 is an equidigital number, since it uses as much as digits as its factorization.

13164221415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877614769.

The product of its digits is 5760, while the sum is 30.

Adding to 13164221415 its reverse (51412246131), we get a palindrome (64576467546).

The spelling of 13164221415 in words is "thirteen billion, one hundred sixty-four million, two hundred twenty-one thousand, four hundred fifteen".