2000161650 has 48 divisors (see below), whose sum is σ = 5176079424. Its totient is φ = 510185280.

The previous prime is 2000161643. The next prime is 2000161687. The reversal of 2000161650 is 561610002.

It is a happy number.

It is a super-2 number, since 2×2000161650² = 8001293252261445000, which contains 22 as substring.

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, 286429 + ... + 293328.

It is an arithmetic number, because the mean of its divisors is an integer number (107834988).

Almost surely, 2^2000161650 is an apocalyptic number.

2000161650 is an abundant number, since it is smaller than the sum of its proper divisors (3175917774).

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

2000161650 is a wasteful number, since it uses less digits than its factorization.

2000161650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579795 (or 579790 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2000161650 is about 44723.1668154213. The cubic root of 2000161650 is about 1259.9549933533.

Adding to 2000161650 its reverse (561610002), we get a palindrome (2561771652).

The spelling of 2000161650 in words is "two billion, one hundred sixty-one thousand, six hundred fifty".