104164521365 has 8 divisors (see below), whose sum is σ = 126286059480. Its totient is φ = 82472527872.

The previous prime is 104164521353. The next prime is 104164521367. The reversal of 104164521365 is 563125461401.

It can be written as a sum of positive squares in 4 ways, for example, as 6424503409 + 97740017956 = 80153^2 + 312634^2 .

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 104164521365 - 2¹² = 104164517269 is a prime.

It is a super-2 number, since 2×104164521365² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104164521367) 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, 107385620 + ... + 107386589.

It is an arithmetic number, because the mean of its divisors is an integer number (15785757435).

Almost surely, 2^104164521365 is an apocalyptic number.

It is an amenable number.

104164521365 is a deficient number, since it is larger than the sum of its proper divisors (22121538115).

104164521365 is an equidigital number, since it uses as much as digits as its factorization.

104164521365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214772311.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 104164521365 its reverse (563125461401), we get a palindrome (667289982766).

The spelling of 104164521365 in words is "one hundred four billion, one hundred sixty-four million, five hundred twenty-one thousand, three hundred sixty-five".