1616016 has 40 divisors (see below), whose sum is σ = 4222944. Its totient is φ = 532480.

The previous prime is 1616009. The next prime is 1616029. The reversal of 1616016 is 6106161.

It is a super-2 number, since 2×1616016² = 5223015424512, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1615983 and 1616001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6160 + ... + 6416.

2^1616016 is an apocalyptic number.

1616016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1616016 is an abundant number, since it is smaller than the sum of its proper divisors (2606928).

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

1616016 is a wasteful number, since it uses less digits than its factorization.

1616016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1616016 is about 1271.2261797178. The cubic root of 1616016 is about 117.3496734589.

The spelling of 1616016 in words is "one million, six hundred sixteen thousand, sixteen".