1685005882147 has 32 divisors (see below), whose sum is σ = 2046507724800. Its totient is φ = 1355220574848.

The previous prime is 1685005882141. The next prime is 1685005882169. The reversal of 1685005882147 is 7412885005861.

It is not a de Polignac number, because 1685005882147 - 2²³ = 1684997493539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1685005882141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5698629 + ... + 5987017.

It is an arithmetic number, because the mean of its divisors is an integer number (63953366400).

Almost surely, 2^{1685005882147} is an apocalyptic number.

1685005882147 is a deficient number, since it is larger than the sum of its proper divisors (361501842653).

1685005882147 is a wasteful number, since it uses less digits than its factorization.

1685005882147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288835.

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 1685005882147 in words is "one trillion, six hundred eighty-five billion, five million, eight hundred eighty-two thousand, one hundred forty-seven".