1616268 has 18 divisors (see below), whose sum is σ = 3781596. Its totient is φ = 537288.

The previous prime is 1616231. The next prime is 1616269. The reversal of 1616268 is 8626161.

It is a super-2 number, since 2×1616268² = 5224644495648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4221 + ... + 4587.

2^1616268 is an apocalyptic number.

It is an amenable number.

1616268 is an abundant number, since it is smaller than the sum of its proper divisors (2165328).

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

1616268 is an equidigital number, since it uses as much as digits as its factorization.

1616268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 372 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 1616268 is about 1271.3252927556. The cubic root of 1616268 is about 117.3557729408.

The spelling of 1616268 in words is "one million, six hundred sixteen thousand, two hundred sixty-eight".