1600661106 has 48 divisors (see below), whose sum is σ = 3845432448. Its totient is φ = 477093600.

The previous prime is 1600661089. The next prime is 1600661113. The reversal of 1600661106 is 6011660061.

It is a super-2 number, since 2×1600661106² = 5124231952522286472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1600661106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54186 + ... + 78341.

It is an arithmetic number, because the mean of its divisors is an integer number (80113176).

Almost surely, 2^1600661106 is an apocalyptic number.

1600661106 is an abundant number, since it is smaller than the sum of its proper divisors (2244771342).

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

1600661106 is a wasteful number, since it uses less digits than its factorization.

1600661106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132607 (or 132604 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1600661106 is about 40008.2629715413. The cubic root of 1600661106 is about 1169.7681635758.

The spelling of 1600661106 in words is "one billion, six hundred million, six hundred sixty-one thousand, one hundred six".