1600006660 has 48 divisors (see below), whose sum is σ = 3842528256. Its totient is φ = 548214912.

The previous prime is 1600006657. The next prime is 1600006669. The reversal of 1600006660 is 666000061.

1600006660 is a modest number, since divided by 6660 gives 1600 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1600006669) 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, 297354 + ... + 302686.

It is an arithmetic number, because the mean of its divisors is an integer number (80052672).

Almost surely, 2^1600006660 is an apocalyptic number.

1600006660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600006660 is an abundant number, since it is smaller than the sum of its proper divisors (2242521596).

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

1600006660 is a wasteful number, since it uses less digits than its factorization.

1600006660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7490 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1600006660 is about 40000.0832499134. The cubic root of 1600006660 is about 1169.6087181127.

The spelling of 1600006660 in words is "one billion, six hundred million, six thousand, six hundred sixty".