1682166999 has 16 divisors (see below), whose sum is σ = 2263593600. Its totient is φ = 1111138656.

The previous prime is 1682166979. The next prime is 1682167007. The reversal of 1682166999 is 9996612861.

It is not a de Polignac number, because 1682166999 - 2²³ = 1673778391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682166979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146437 + ... + 157505.

It is an arithmetic number, because the mean of its divisors is an integer number (141474600).

Almost surely, 2^1682166999 is an apocalyptic number.

1682166999 is a deficient number, since it is larger than the sum of its proper divisors (581426601).

1682166999 is a wasteful number, since it uses less digits than its factorization.

1682166999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11534.

The product of its digits is 2519424, while the sum is 57.

The square root of 1682166999 is about 41014.2292259650. The cubic root of 1682166999 is about 1189.2953008226.

The spelling of 1682166999 in words is "one billion, six hundred eighty-two million, one hundred sixty-six thousand, nine hundred ninety-nine".