1686133130 has 16 divisors (see below), whose sum is σ = 3310952544. Its totient is φ = 613139280.

The previous prime is 1686133079. The next prime is 1686133139. The reversal of 1686133130 is 313316861.

It is not an unprimeable number, because it can be changed into a prime (1686133139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7664132 + ... + 7664351.

It is an arithmetic number, because the mean of its divisors is an integer number (206934534).

Almost surely, 2^1686133130 is an apocalyptic number.

1686133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1686133130 is a deficient number, since it is larger than the sum of its proper divisors (1624819414).

1686133130 is a wasteful number, since it uses less digits than its factorization.

1686133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328501.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1686133130 is about 41062.5514307136. The cubic root of 1686133130 is about 1190.2292546094.

Adding to 1686133130 its reverse (313316861), we get a palindrome (1999449991).

The spelling of 1686133130 in words is "one billion, six hundred eighty-six million, one hundred thirty-three thousand, one hundred thirty".