1685017460422 has 16 divisors (see below), whose sum is σ = 2637546312960. Its totient is φ = 805838902792.

The previous prime is 1685017460387. The next prime is 1685017460437. The reversal of 1685017460422 is 2240647105861.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85329 + ... + 1837747.

It is an arithmetic number, because the mean of its divisors is an integer number (164846644560).

Almost surely, 2^{1685017460422} is an apocalyptic number.

1685017460422 is a deficient number, since it is larger than the sum of its proper divisors (952528852538).

1685017460422 is a wasteful number, since it uses less digits than its factorization.

1685017460422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773347.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 1685017460422 in words is "one trillion, six hundred eighty-five billion, seventeen million, four hundred sixty thousand, four hundred twenty-two".