16081065 has 192 divisors, whose sum is σ = 41368320. Its totient is φ = 5806080.

The previous prime is 16081027. The next prime is 16081111. The reversal of 16081065 is 56018061.

16081065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16081065 - 2¹⁷ = 15949993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 945937 + ... + 945953.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^16081065 is an apocalyptic number.

16081065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16081065 is an abundant number, since it is smaller than the sum of its proper divisors (25287255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16081065 is a wasteful number, since it uses less digits than its factorization.

16081065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 16081065 is about 4010.1203223844. The cubic root of 16081065 is about 252.4090578616.

16081065 divided by its sum of digits (27) gives a palindrome (595595).

It can be divided in two parts, 160 and 81065, that added together give a square (81225 = 285²).

The spelling of 16081065 in words is "sixteen million, eighty-one thousand, sixty-five".