667016 has 32 divisors (see below), whose sum is σ = 1467840. Its totient is φ = 278208.

The previous prime is 667013. The next prime is 667019. The reversal of 667016 is 610766.

It is an interprime number because it is at equal distance from previous prime (667013) and next prime (667019).

It is not an unprimeable number, because it can be changed into a prime (667013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270 + ... + 2546.

It is an arithmetic number, because the mean of its divisors is an integer number (45870).

2⁶⁶⁷⁰¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733920).

667016 is an abundant number, since it is smaller than the sum of its proper divisors (800824).

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

667016 is a wasteful number, since it uses less digits than its factorization.

667016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 329 counting only the distinct ones).

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

The square root of 667016 is about 816.7104750155. The cubic root of 667016 is about 87.3733023480.

The spelling of 667016 in words is "six hundred sixty-seven thousand, sixteen".