16081011 has 40 divisors (see below), whose sum is σ = 25981120. Its totient is φ = 9920232.

The previous prime is 16080989. The next prime is 16081019. The reversal of 16081011 is 11018061.

It is not a de Polignac number, because 16081011 - 2⁶ = 16080947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16081019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 373956 + ... + 373998.

It is an arithmetic number, because the mean of its divisors is an integer number (649528).

Almost surely, 2^16081011 is an apocalyptic number.

16081011 is a deficient number, since it is larger than the sum of its proper divisors (9900109).

16081011 is an frugal number, since it uses more digits than its factorization.

16081011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 16081011 is about 4010.1135894136. The cubic root of 16081011 is about 252.4087753326.

Adding to 16081011 its reverse (11018061), we get a palindrome (27099072).

The spelling of 16081011 in words is "sixteen million, eighty-one thousand, eleven".