1685526912 has 96 divisors (see below), whose sum is σ = 4858702680. Its totient is φ = 560867328.

The previous prime is 1685526901. The next prime is 1685526919. The reversal of 1685526912 is 2196255861.

1685526912 is a `hidden beast` number, since 1 + 6 + 8 + 552 + 6 + 91 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685526919) 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 11 ways as a sum of consecutive naturals, for example, 1016388 + ... + 1018044.

Almost surely, 2^1685526912 is an apocalyptic number.

1685526912 is a gapful number since it is divisible by the number (12) 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 1685526912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429351340).

1685526912 is an abundant number, since it is smaller than the sum of its proper divisors (3173175768).

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

1685526912 is a wasteful number, since it uses less digits than its factorization.

1685526912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2545 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 1685526912 is about 41055.1691264328. The cubic root of 1685526912 is about 1190.0865958686.

The spelling of 1685526912 in words is "one billion, six hundred eighty-five million, five hundred twenty-six thousand, nine hundred twelve".