2002161006672 has 40 divisors (see below), whose sum is σ = 5444472915360. Its totient is φ = 632261370240.

The previous prime is 2002161006647. The next prime is 2002161006679. The reversal of 2002161006672 is 2766001612002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002161006679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097675079 + ... + 1097676902.

It is an arithmetic number, because the mean of its divisors is an integer number (136111822884).

Almost surely, 2^{2002161006672} is an apocalyptic number.

It is an amenable number.

2002161006672 is an abundant number, since it is smaller than the sum of its proper divisors (3442311908688).

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

2002161006672 is a wasteful number, since it uses less digits than its factorization.

2002161006672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195352011 (or 2195352005 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 2002161006672 its reverse (2766001612002), we get a palindrome (4768162618674).

The spelling of 2002161006672 in words is "two trillion, two billion, one hundred sixty-one million, six thousand, six hundred seventy-two".