1688113670 has 16 divisors (see below), whose sum is σ = 3039472080. Its totient is φ = 675052704.

The previous prime is 1688113663. The next prime is 1688113673. The reversal of 1688113670 is 763118861.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1688113673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15836 + ... + 60224.

It is an arithmetic number, because the mean of its divisors is an integer number (189967005).

Almost surely, 2^1688113670 is an apocalyptic number.

1688113670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1688113670 is a deficient number, since it is larger than the sum of its proper divisors (1351358410).

1688113670 is a wasteful number, since it uses less digits than its factorization.

1688113670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48199.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1688113670 is about 41086.6604873163. The cubic root of 1688113670 is about 1190.6950885826.

The spelling of 1688113670 in words is "one billion, six hundred eighty-eight million, one hundred thirteen thousand, six hundred seventy".