2006170656 has 48 divisors (see below), whose sum is σ = 6018513984. Its totient is φ = 573191424.

The previous prime is 2006170643. The next prime is 2006170693. The reversal of 2006170656 is 6560716002.

It is a tau number, because it is divible by the number of its divisors (48).

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, 1492015 + ... + 1493358.

It is an arithmetic number, because the mean of its divisors is an integer number (125385708).

Almost surely, 2^2006170656 is an apocalyptic number.

It is an amenable number.

2006170656 is an abundant number, since it is smaller than the sum of its proper divisors (4012343328).

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

2006170656 is a wasteful number, since it uses less digits than its factorization.

2006170656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985393 (or 2985385 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2006170656 is about 44790.2964491194. The cubic root of 2006170656 is about 1261.2154761274.

Adding to 2006170656 its reverse (6560716002), we get a palindrome (8566886658).

The spelling of 2006170656 in words is "two billion, six million, one hundred seventy thousand, six hundred fifty-six".