669016 has 16 divisors (see below), whose sum is σ = 1263240. Its totient is φ = 332160.

The previous prime is 668999. The next prime is 669023. The reversal of 669016 is 610966.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1755 + ... + 2101.

2⁶⁶⁹⁰¹⁶ is an apocalyptic number.

It is an amenable number.

669016 is a deficient number, since it is larger than the sum of its proper divisors (594224).

669016 is a wasteful number, since it uses less digits than its factorization.

669016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 669016 is about 817.9339826661. The cubic root of 669016 is about 87.4605427540.

The spelling of 669016 in words is "six hundred sixty-nine thousand, sixteen".