1666352 has 10 divisors (see below), whose sum is σ = 3228588. Its totient is φ = 833168.

The previous prime is 1666351. The next prime is 1666361. The reversal of 1666352 is 2536661.

It is not an unprimeable number, because it can be changed into a prime (1666351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52058 + ... + 52089.

2^1666352 is an apocalyptic number.

It is an amenable number.

1666352 is a deficient number, since it is larger than the sum of its proper divisors (1562236).

1666352 is a wasteful number, since it uses less digits than its factorization.

1666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104155 (or 104149 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 1666352 is about 1290.8725731070. The cubic root of 1666352 is about 118.5556481083. Note that the first 3 decimals are identical.

The spelling of 1666352 in words is "one million, six hundred sixty-six thousand, three hundred fifty-two".