16365456 has 80 divisors (see below), whose sum is σ = 48121920. Its totient is φ = 5322240.

The previous prime is 16365439. The next prime is 16365457. The reversal of 16365456 is 65456361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16365456.

It is not an unprimeable number, because it can be changed into a prime (16365457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18136 + ... + 19016.

It is an arithmetic number, because the mean of its divisors is an integer number (601524).

Almost surely, 2^16365456 is an apocalyptic number.

16365456 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 16365456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24060960).

16365456 is an abundant number, since it is smaller than the sum of its proper divisors (31756464).

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

16365456 is a wasteful number, since it uses less digits than its factorization.

16365456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 929 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 16365456 is about 4045.4240816013. The cubic root of 16365456 is about 253.8883093372. Note that the first 3 decimals are identical.

The spelling of 16365456 in words is "sixteen million, three hundred sixty-five thousand, four hundred fifty-six".