2120513163663 has 8 divisors (see below), whose sum is σ = 2829337785088. Its totient is φ = 1412681992344.

The previous prime is 2120513163653. The next prime is 2120513163767. The reversal of 2120513163663 is 3663613150212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120513163663 - 2⁴ = 2120513163647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120513163623) 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, 248357545 + ... + 248366082.

It is an arithmetic number, because the mean of its divisors is an integer number (353667223136).

Almost surely, 2^{2120513163663} is an apocalyptic number.

2120513163663 is a deficient number, since it is larger than the sum of its proper divisors (708824621425).

2120513163663 is a wasteful number, since it uses less digits than its factorization.

2120513163663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496725053.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 2120513163663 in words is "two trillion, one hundred twenty billion, five hundred thirteen million, one hundred sixty-three thousand, six hundred sixty-three".