1601000206 has 24 divisors (see below), whose sum is σ = 2604816144. Its totient is φ = 737680320.

The previous prime is 1601000201. The next prime is 1601000213. The reversal of 1601000206 is 6020001061.

It is a super-2 number, since 2×1601000206² = 5126403319224084872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1601000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601000201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215026 + ... + 222346.

It is an arithmetic number, because the mean of its divisors is an integer number (108534006).

Almost surely, 2^1601000206 is an apocalyptic number.

1601000206 is a deficient number, since it is larger than the sum of its proper divisors (1003815938).

1601000206 is a wasteful number, since it uses less digits than its factorization.

1601000206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996 (or 7983 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1601000206 is about 40012.5006216807. The cubic root of 1601000206 is about 1169.8507628582.

Adding to 1601000206 its reverse (6020001061), we get a palindrome (7621001267).

The spelling of 1601000206 in words is "one billion, six hundred one million, two hundred six", and thus it is an aban number.