16727081 has 8 divisors (see below), whose sum is σ = 19507200. Its totient is φ = 14337204.

The previous prime is 16727059. The next prime is 16727083. The reversal of 16727081 is 18072761.

It is not a de Polignac number, because 16727081 - 2⁶ = 16727017 is a prime.

It is a super-2 number, since 2×16727081² = 559590477561122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16727083) 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, 24041 + ... + 24726.

It is an arithmetic number, because the mean of its divisors is an integer number (2438400).

Almost surely, 2^16727081 is an apocalyptic number.

It is an amenable number.

16727081 is a deficient number, since it is larger than the sum of its proper divisors (2780119).

16727081 is an frugal number, since it uses more digits than its factorization.

16727081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48788 (or 48774 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 16727081 is about 4089.8754259757. The cubic root of 16727081 is about 255.7447457774.

The spelling of 16727081 in words is "sixteen million, seven hundred twenty-seven thousand, eighty-one".