104353661 has 8 divisors (see below), whose sum is σ = 107008344. Its totient is φ = 101724480.

The previous prime is 104353649. The next prime is 104353663. The reversal of 104353661 is 166353401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33709636 + 70644025 = 5806^2 + 8405^2 .

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 104353661 - 2⁶ = 104353597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104353663) 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, 2051 + ... + 14591.

It is an arithmetic number, because the mean of its divisors is an integer number (13376043).

Almost surely, 2^104353661 is an apocalyptic number.

It is an amenable number.

104353661 is a deficient number, since it is larger than the sum of its proper divisors (2654683).

104353661 is a wasteful number, since it uses less digits than its factorization.

104353661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 104353661 is about 10215.3639680630. The cubic root of 104353661 is about 470.7993955820.

The spelling of 104353661 in words is "one hundred four million, three hundred fifty-three thousand, six hundred sixty-one".