104782161 has 16 divisors (see below), whose sum is σ = 152690688. Its totient is φ = 63387600.

The previous prime is 104782159. The next prime is 104782193. The reversal of 104782161 is 161287401.

It is not a de Polignac number, because 104782161 - 2¹ = 104782159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104782661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17416 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (9543168).

Almost surely, 2^104782161 is an apocalyptic number.

104782161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104782161 is a deficient number, since it is larger than the sum of its proper divisors (47908527).

104782161 is a wasteful number, since it uses less digits than its factorization.

104782161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 104782161 is about 10236.3157923151. The cubic root of 104782161 is about 471.4429188996.

The spelling of 104782161 in words is "one hundred four million, seven hundred eighty-two thousand, one hundred sixty-one".