104543321406165 has 24 divisors (see below), whose sum is σ = 187919846875488. Its totient is φ = 55756438082640.

The previous prime is 104543321406053. The next prime is 104543321406169. The reversal of 104543321406165 is 561604123345401.

104543321406165 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 4 + 3 + 3 + 21 + 4 + 0 + 616 + 5 = 666.

It is not a de Polignac number, because 104543321406165 - 2¹⁵ = 104543321373397 is a prime.

It is a super-2 number, since 2×104543321406165² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 104543321406165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104543321406169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43021941751 + ... + 43021944180.

It is an arithmetic number, because the mean of its divisors is an integer number (7829993619812).

Almost surely, 2^{104543321406165} is an apocalyptic number.

104543321406165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104543321406165 is a deficient number, since it is larger than the sum of its proper divisors (83376525469323).

104543321406165 is an frugal number, since it uses more digits than its factorization.

104543321406165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86043885951 (or 86043885939 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 104543321406165 in words is "one hundred four trillion, five hundred forty-three billion, three hundred twenty-one million, four hundred six thousand, one hundred sixty-five".