104161605 has 16 divisors (see below), whose sum is σ = 166858944. Its totient is φ = 55486080.

The previous prime is 104161571. The next prime is 104161633. The reversal of 104161605 is 506161401.

It is not a de Polignac number, because 104161605 - 2¹⁴ = 104145221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10350 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (10428684).

Almost surely, 2^104161605 is an apocalyptic number.

104161605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104161605 is a deficient number, since it is larger than the sum of its proper divisors (62697339).

104161605 is an equidigital number, since it uses as much as digits as its factorization.

104161605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 104161605 is about 10205.9592885725. The cubic root of 104161605 is about 470.5103931799.

It can be divided in two parts, 10416 and 1605, that added together give a palindrome (12021).

The spelling of 104161605 in words is "one hundred four million, one hundred sixty-one thousand, six hundred five".