1685370016 has 48 divisors (see below), whose sum is σ = 3630070080. Its totient is φ = 763886080.

The previous prime is 1685369989. The next prime is 1685370047. The reversal of 1685370016 is 6100735861.

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, 119700 + ... + 133036.

It is an arithmetic number, because the mean of its divisors is an integer number (75626460).

Almost surely, 2^1685370016 is an apocalyptic number.

1685370016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1685370016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815035040).

1685370016 is an abundant number, since it is smaller than the sum of its proper divisors (1944700064).

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

1685370016 is a wasteful number, since it uses less digits than its factorization.

1685370016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13717 (or 13709 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1685370016 is about 41053.2582872541. The cubic root of 1685370016 is about 1190.0496686187.

The spelling of 1685370016 in words is "one billion, six hundred eighty-five million, three hundred seventy thousand, sixteen".