1685200000352 has 48 divisors (see below), whose sum is σ = 3619455840000. Its totient is φ = 765977600640.

The previous prime is 1685200000349. The next prime is 1685200000357. The reversal of 1685200000352 is 2530000025861.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685200000357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20868149 + ... + 20948747.

It is an arithmetic number, because the mean of its divisors is an integer number (75405330000).

Almost surely, 2^{1685200000352} is an apocalyptic number.

It is an amenable number.

1685200000352 is an abundant number, since it is smaller than the sum of its proper divisors (1934255839648).

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

1685200000352 is a wasteful number, since it uses less digits than its factorization.

1685200000352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140019 (or 140011 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 1685200000352 in words is "one trillion, six hundred eighty-five billion, two hundred million, three hundred fifty-two", and thus it is an aban number.