2001060655 has 16 divisors (see below), whose sum is σ = 2621852064. Its totient is φ = 1454049280.

The previous prime is 2001060629. The next prime is 2001060679. The reversal of 2001060655 is 5560601002.

It is not a de Polignac number, because 2001060655 - 2¹¹ = 2001058607 is a prime.

It is a super-3 number, since 3×2001060655³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50367 + ... + 80863.

It is an arithmetic number, because the mean of its divisors is an integer number (163865754).

Almost surely, 2^2001060655 is an apocalyptic number.

2001060655 is a deficient number, since it is larger than the sum of its proper divisors (620791409).

2001060655 is a wasteful number, since it uses less digits than its factorization.

2001060655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31706.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2001060655 is about 44733.2164615960. The cubic root of 2001060655 is about 1260.1437341278.

Adding to 2001060655 its reverse (5560601002), we get a palindrome (7561661657).

The spelling of 2001060655 in words is "two billion, one million, sixty thousand, six hundred fifty-five".