1667206012 has 12 divisors (see below), whose sum is σ = 2944378360. Its totient is φ = 825955056.

The previous prime is 1667206007. The next prime is 1667206049. The reversal of 1667206012 is 2106027661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1911498 + ... + 1912369.

Almost surely, 2^1667206012 is an apocalyptic number.

It is an amenable number.

1667206012 is a deficient number, since it is larger than the sum of its proper divisors (1277172348).

1667206012 is a wasteful number, since it uses less digits than its factorization.

1667206012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823980 (or 3823978 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1667206012 is about 40831.4341163766. The cubic root of 1667206012 is about 1185.7589806238.

The spelling of 1667206012 in words is "one billion, six hundred sixty-seven million, two hundred six thousand, twelve".