689591116 has 24 divisors (see below), whose sum is σ = 1259874000. Its totient is φ = 329845824.

The previous prime is 689591107. The next prime is 689591131. The reversal of 689591116 is 611195986.

It is a happy number.

It is a super-2 number, since 2×689591116² = 951071814532250912, which contains 22 as substring.

It is an unprimeable number.

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, 14626 + ... + 39913.

It is an arithmetic number, because the mean of its divisors is an integer number (52494750).

Almost surely, 2^689591116 is an apocalyptic number.

It is an amenable number.

689591116 is a deficient number, since it is larger than the sum of its proper divisors (570282884).

689591116 is a wasteful number, since it uses less digits than its factorization.

689591116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54681 (or 54679 counting only the distinct ones).

The product of its digits is 116640, while the sum is 46.

The square root of 689591116 is about 26260.0669458400. The cubic root of 689591116 is about 883.4810105852.

The spelling of 689591116 in words is "six hundred eighty-nine million, five hundred ninety-one thousand, one hundred sixteen".