104006661 has 8 divisors (see below), whose sum is σ = 151282464. Its totient is φ = 63034320.

The previous prime is 104006659. The next prime is 104006681. The reversal of 104006661 is 166600401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104006661 - 2¹ = 104006659 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104006641) 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, 1575826 + ... + 1575891.

It is an arithmetic number, because the mean of its divisors is an integer number (18910308).

Almost surely, 2^104006661 is an apocalyptic number.

104006661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104006661 is a deficient number, since it is larger than the sum of its proper divisors (47275803).

104006661 is a wasteful number, since it uses less digits than its factorization.

104006661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151731.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 104006661 is about 10198.3656043505. The cubic root of 104006661 is about 470.2769772275.

The spelling of 104006661 in words is "one hundred four million, six thousand, six hundred sixty-one".