1685185166706 has 32 divisors (see below), whose sum is σ = 3569587781760. Its totient is φ = 528543265536.

The previous prime is 1685185166633. The next prime is 1685185166719. The reversal of 1685185166706 is 6076615815861.

It is a self number, because there is not a number n which added to its sum of digits gives 1685185166706.

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 15 ways as a sum of consecutive naturals, for example, 1841881 + ... + 2600556.

It is an arithmetic number, because the mean of its divisors is an integer number (111549618180).

Almost surely, 2^{1685185166706} is an apocalyptic number.

1685185166706 is an abundant number, since it is smaller than the sum of its proper divisors (1884402615054).

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

1685185166706 is a wasteful number, since it uses less digits than its factorization.

1685185166706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446178.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 1685185166706 in words is "one trillion, six hundred eighty-five billion, one hundred eighty-five million, one hundred sixty-six thousand, seven hundred six".