671066 has 24 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 293480.

The previous prime is 671063. The next prime is 671081. The reversal of 671066 is 660176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11345 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁶⁷¹⁰⁶⁶ is an apocalyptic number.

671066 is a deficient number, since it is larger than the sum of its proper divisors (478054).

671066 is a wasteful number, since it uses less digits than its factorization.

671066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 671066 is about 819.1861815241. The cubic root of 671066 is about 87.5497839145.

It can be divided in two parts, 6710 and 66, that added together give a palindrome (6776).

The spelling of 671066 in words is "six hundred seventy-one thousand, sixty-six".