16065536 has 44 divisors (see below), whose sum is σ = 33284220. Its totient is φ = 7741440.

The previous prime is 16065529. The next prime is 16065541. The reversal of 16065536 is 63556061.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 8667136 = 2720^2 + 2944^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29426 + ... + 29966.

Almost surely, 2^16065536 is an apocalyptic number.

16065536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16642110).

16065536 is an abundant number, since it is smaller than the sum of its proper divisors (17218684).

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

16065536 is an equidigital number, since it uses as much as digits as its factorization.

16065536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 16065536 is about 4008.1836285280. The cubic root of 16065536 is about 252.3277837537.

The spelling of 16065536 in words is "sixteen million, sixty-five thousand, five hundred thirty-six".