1616316 has 36 divisors (see below), whose sum is σ = 4088952. Its totient is φ = 496704.

The previous prime is 1616297. The next prime is 1616347. The reversal of 1616316 is 6136161.

It is a super-2 number, since 2×1616316² = 5224954823712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (113582).

2^1616316 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 1616316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044476).

1616316 is an abundant number, since it is smaller than the sum of its proper divisors (2472636).

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

1616316 is a wasteful number, since it uses less digits than its factorization.

1616316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 815 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 1616316 is about 1271.3441705534. The cubic root of 1616316 is about 117.3569346750.

The spelling of 1616316 in words is "one million, six hundred sixteen thousand, three hundred sixteen".