2001600906 has 16 divisors (see below), whose sum is σ = 4004269344. Its totient is φ = 667022384.

The previous prime is 2001600889. The next prime is 2001600911. The reversal of 2001600906 is 6090061002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18981 + ... + 66056.

It is an arithmetic number, because the mean of its divisors is an integer number (250266834).

Almost surely, 2^2001600906 is an apocalyptic number.

2001600906 is an abundant number, since it is smaller than the sum of its proper divisors (2002668438).

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

2001600906 is a wasteful number, since it uses less digits than its factorization.

2001600906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88965.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 2001600906 is about 44739.2546428749. The cubic root of 2001600906 is about 1260.2571294336.

Adding to 2001600906 its reverse (6090061002), we get a palindrome (8091661908).

The spelling of 2001600906 in words is "two billion, one million, six hundred thousand, nine hundred six".