1366016 has 48 divisors (see below), whose sum is σ = 2948400. Its totient is φ = 630784.

The previous prime is 1366009. The next prime is 1366019. The reversal of 1366016 is 6106631.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1365982 and 1366000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47090 + ... + 47118.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2^1366016 is an apocalyptic number.

1366016 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 1366016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474200).

1366016 is an abundant number, since it is smaller than the sum of its proper divisors (1582384).

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

1366016 is an equidigital number, since it uses as much as digits as its factorization.

1366016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1366016 is about 1168.7668715360. The cubic root of 1366016 is about 110.9562904493.

The spelling of 1366016 in words is "one million, three hundred sixty-six thousand, sixteen".