1685168350 has 24 divisors (see below), whose sum is σ = 3318792048. Its totient is φ = 634416000.

The previous prime is 1685168341. The next prime is 1685168351. The reversal of 1685168350 is 538615861.

It is a junction number, because it is equal to n+sod(n) for n = 1685168297 and 1685168306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685168351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990426 + ... + 992125.

It is an arithmetic number, because the mean of its divisors is an integer number (138283002).

Almost surely, 2^1685168350 is an apocalyptic number.

1685168350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1685168350 is a deficient number, since it is larger than the sum of its proper divisors (1633623698).

1685168350 is a wasteful number, since it uses less digits than its factorization.

1685168350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982580 (or 1982575 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 1685168350 is about 41050.8020628099. The cubic root of 1685168350 is about 1190.0022008763.

The spelling of 1685168350 in words is "one billion, six hundred eighty-five million, one hundred sixty-eight thousand, three hundred fifty".