104147661 has 8 divisors (see below), whose sum is σ = 147032064. Its totient is φ = 65347520.

The previous prime is 104147633. The next prime is 104147663. The reversal of 104147661 is 166741401.

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 104147661 - 2¹⁴ = 104131277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104147663) 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, 1021005 + ... + 1021106.

It is an arithmetic number, because the mean of its divisors is an integer number (18379008).

Almost surely, 2^104147661 is an apocalyptic number.

It is an amenable number.

104147661 is a deficient number, since it is larger than the sum of its proper divisors (42884403).

104147661 is a wasteful number, since it uses less digits than its factorization.

104147661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042131.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 104147661 is about 10205.2761354115. The cubic root of 104147661 is about 470.4893966726.

The spelling of 104147661 in words is "one hundred four million, one hundred forty-seven thousand, six hundred sixty-one".