16504061 has 8 divisors (see below), whose sum is σ = 18897984. Its totient is φ = 14119200.

The previous prime is 16504049. The next prime is 16504063. The reversal of 16504061 is 16040561.

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 16504061 - 2¹⁴ = 16487677 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 (16504063) 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, 2246 + ... + 6168.

It is an arithmetic number, because the mean of its divisors is an integer number (2362248).

Almost surely, 2^16504061 is an apocalyptic number.

It is an amenable number.

16504061 is a deficient number, since it is larger than the sum of its proper divisors (2393923).

16504061 is an equidigital number, since it uses as much as digits as its factorization.

16504061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16504061 is about 4062.5190461092. The cubic root of 16504061 is about 254.6030527937.

The spelling of 16504061 in words is "sixteen million, five hundred four thousand, sixty-one".