1660010000 has 100 divisors (see below), whose sum is σ = 4384708944. Its totient is φ = 603600000.

The previous prime is 1660009997. The next prime is 1660010003. The reversal of 1660010000 is 100661.

It is an interprime number because it is at equal distance from previous prime (1660009997) and next prime (1660010003).

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (1660010003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102455 + ... + 117545.

Almost surely, 2^1660010000 is an apocalyptic number.

1660010000 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 1660010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192354472).

1660010000 is an abundant number, since it is smaller than the sum of its proper divisors (2724698944).

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

1660010000 is a wasteful number, since it uses less digits than its factorization.

1660010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130 (or 15109 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1660010000 is about 40743.2202949153. The cubic root of 1660010000 is about 1184.0505251448.

Adding to 1660010000 its reverse (100661), we get a palindrome (1660110661).

The spelling of 1660010000 in words is "one billion, six hundred sixty million, ten thousand".