1706663223 has 16 divisors (see below), whose sum is σ = 2531374560. Its totient is φ = 1136432448.

The previous prime is 1706663213. The next prime is 1706663263. The reversal of 1706663223 is 3223666071.

It is not a de Polignac number, because 1706663223 - 2⁶ = 1706663159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1706663213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13740 + ... + 60017.

It is an arithmetic number, because the mean of its divisors is an integer number (158210910).

Almost surely, 2^1706663223 is an apocalyptic number.

1706663223 is a deficient number, since it is larger than the sum of its proper divisors (824711337).

1706663223 is an equidigital number, since it uses as much as digits as its factorization.

1706663223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74623 (or 74617 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 1706663223 is about 41311.7806805758. The cubic root of 1706663223 is about 1195.0404619739.

It can be divided in two parts, 170666 and 3223, that added together give a square (173889 = 417²).

The spelling of 1706663223 in words is "one billion, seven hundred six million, six hundred sixty-three thousand, two hundred twenty-three".