2002061655 has 48 divisors (see below), whose sum is σ = 3815645184. Its totient is φ = 963023040.

The previous prime is 2002061647. The next prime is 2002061669. The reversal of 2002061655 is 5561602002.

2002061655 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 0 + 6 + 1 + 655 = 666.

It is not a de Polignac number, because 2002061655 - 2³ = 2002061647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46942 + ... + 78788.

It is an arithmetic number, because the mean of its divisors is an integer number (79492608).

Almost surely, 2^2002061655 is an apocalyptic number.

2002061655 is a deficient number, since it is larger than the sum of its proper divisors (1813583529).

2002061655 is a wasteful number, since it uses less digits than its factorization.

2002061655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996 (or 31993 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2002061655 is about 44744.4036165418. The cubic root of 2002061655 is about 1260.3538216466.

Adding to 2002061655 its reverse (5561602002), we get a palindrome (7563663657).

The spelling of 2002061655 in words is "two billion, two million, sixty-one thousand, six hundred fifty-five".