16415316 has 72 divisors (see below), whose sum is σ = 44291520. Its totient is φ = 5111424.

The previous prime is 16415281. The next prime is 16415339. The reversal of 16415316 is 61351461.

16415316 is a `hidden beast` number, since 1 + 641 + 5 + 3 + 16 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (2160) is a multiple of the sum of its prime divisors (360).

It is a self number, because there is not a number n which added to its sum of digits gives 16415316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70336 + ... + 70568.

It is an arithmetic number, because the mean of its divisors is an integer number (615160).

Almost surely, 2^16415316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16415316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22145760).

16415316 is an abundant number, since it is smaller than the sum of its proper divisors (27876204).

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

16415316 is a wasteful number, since it uses less digits than its factorization.

16415316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 360 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 16415316 is about 4051.5819132778. The cubic root of 16415316 is about 254.1458851533.

Adding to 16415316 its reverse (61351461), we get a palindrome (77766777).

The spelling of 16415316 in words is "sixteen million, four hundred fifteen thousand, three hundred sixteen".