16580047 has 8 divisors (see below), whose sum is σ = 18167760. Its totient is φ = 15005760.

The previous prime is 16580029. The next prime is 16580087. The reversal of 16580047 is 74008561.

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

It is not a de Polignac number, because 16580047 - 2¹⁹ = 16055759 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 (16580017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (2270970).

Almost surely, 2^16580047 is an apocalyptic number.

16580047 is a deficient number, since it is larger than the sum of its proper divisors (1587713).

16580047 is a wasteful number, since it uses less digits than its factorization.

16580047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 16580047 is about 4071.8603856223. The cubic root of 16580047 is about 254.9931921802.

The spelling of 16580047 in words is "sixteen million, five hundred eighty thousand, forty-seven".