16065870 has 16 divisors (see below), whose sum is σ = 38558160. Its totient is φ = 4284224.

The previous prime is 16065859. The next prime is 16065871. The reversal of 16065870 is 7856061.

It is a super-2 number, since 2×16065870² = 516224357713800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16065871) 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 7 ways as a sum of consecutive naturals, for example, 267735 + ... + 267794.

It is an arithmetic number, because the mean of its divisors is an integer number (2409885).

Almost surely, 2^16065870 is an apocalyptic number.

16065870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16065870 is an abundant number, since it is smaller than the sum of its proper divisors (22492290).

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

16065870 is a wasteful number, since it uses less digits than its factorization.

16065870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535539.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 16065870 is about 4008.2252930692. The cubic root of 16065870 is about 252.3295323601.

The spelling of 16065870 in words is "sixteen million, sixty-five thousand, eight hundred seventy".