1666830000 has 200 divisors, whose sum is σ = 5871070656. Its totient is φ = 404000000.

The previous prime is 1666829993. The next prime is 1666830001. The reversal of 1666830000 is 386661.

1666830000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 1666830000.

It is not an unprimeable number, because it can be changed into a prime (1666830001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 327475 + ... + 332525.

Almost surely, 2^1666830000 is an apocalyptic number.

1666830000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1666830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935535328).

1666830000 is an abundant number, since it is smaller than the sum of its proper divisors (4204240656).

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

1666830000 is a wasteful number, since it uses less digits than its factorization.

1666830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5072 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1666830000 is about 40826.8294140018. The cubic root of 1666830000 is about 1185.6698308475.

The spelling of 1666830000 in words is "one billion, six hundred sixty-six million, eight hundred thirty thousand".