1600189660 has 12 divisors (see below), whose sum is σ = 3360398328. Its totient is φ = 640075856.

The previous prime is 1600189639. The next prime is 1600189663. The reversal of 1600189660 is 669810061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600189663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40004722 + ... + 40004761.

It is an arithmetic number, because the mean of its divisors is an integer number (280033194).

Almost surely, 2^1600189660 is an apocalyptic number.

1600189660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600189660 is an abundant number, since it is smaller than the sum of its proper divisors (1760208668).

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

1600189660 is a wasteful number, since it uses less digits than its factorization.

1600189660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80009492 (or 80009490 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1600189660 is about 40002.3706797485. The cubic root of 1600189660 is about 1169.6533075596.

The spelling of 1600189660 in words is "one billion, six hundred million, one hundred eighty-nine thousand, six hundred sixty".