1686252096 has 189 divisors, whose sum is σ = 5092032361. Its totient is φ = 533503488.

The previous prime is 1686252091. The next prime is 1686252121. The reversal of 1686252096 is 6902526861.

The square root of 1686252096 is 41064.

It is a perfect power (a square), and thus also a powerful number.

1686252096 is a `hidden beast` number, since 1 + 68 + 62 + 520 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 884229696 + 802022400 = 29736^2 + 28320^2 .

It is a super-2 number, since 2×1686252096² = 5686892262528786432, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1686252091) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28580515 + ... + 28580573.

Almost surely, 2^1686252096 is an apocalyptic number.

1686252096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1686252096 is the 41064-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1686252096

1686252096 is an abundant number, since it is smaller than the sum of its proper divisors (3405780265).

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

1686252096 is an equidigital number, since it uses as much as digits as its factorization.

1686252096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The cubic root of 1686252096 is about 1190.2572463658.

The spelling of 1686252096 in words is "one billion, six hundred eighty-six million, two hundred fifty-two thousand, ninety-six".