1685001851848 has 32 divisors (see below), whose sum is σ = 3800756059200. Its totient is φ = 684136089792.

The previous prime is 1685001851843. The next prime is 1685001851849. The reversal of 1685001851848 is 8481581005861.

It is not an unprimeable number, because it can be changed into a prime (1685001851843) 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, 791823115 + ... + 791825242.

It is an arithmetic number, because the mean of its divisors is an integer number (118773626850).

Almost surely, 2^{1685001851848} is an apocalyptic number.

It is an amenable number.

1685001851848 is an abundant number, since it is smaller than the sum of its proper divisors (2115754207352).

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

1685001851848 is a wasteful number, since it uses less digits than its factorization.

1685001851848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583648389 (or 1583648385 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 55.

The spelling of 1685001851848 in words is "one trillion, six hundred eighty-five billion, one million, eight hundred fifty-one thousand, eight hundred forty-eight".