1705434666 has 16 divisors (see below), whose sum is σ = 3673244064. Its totient is φ = 524749104.

The previous prime is 1705434641. The next prime is 1705434691. The reversal of 1705434666 is 6664345071.

It is an interprime number because it is at equal distance from previous prime (1705434641) and next prime (1705434691).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10932196 + ... + 10932351.

It is an arithmetic number, because the mean of its divisors is an integer number (229577754).

Almost surely, 2^1705434666 is an apocalyptic number.

1705434666 is an abundant number, since it is smaller than the sum of its proper divisors (1967809398).

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

1705434666 is a wasteful number, since it uses less digits than its factorization.

1705434666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21864565.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 1705434666 is about 41296.9086736526. The cubic root of 1705434666 is about 1194.7536395672.

The spelling of 1705434666 in words is "one billion, seven hundred five million, four hundred thirty-four thousand, six hundred sixty-six".