2680513218172 has 24 divisors (see below), whose sum is σ = 4894937865216. Its totient is φ = 1281961629168.

The previous prime is 2680513218139. The next prime is 2680513218181. The reversal of 2680513218172 is 2718123150862.

It is a happy number.

It is a super-2 number, since 2×2680513218172² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5622813 + ... + 6080875.

It is an arithmetic number, because the mean of its divisors is an integer number (203955744384).

Almost surely, 2^{2680513218172} is an apocalyptic number.

It is an amenable number.

2680513218172 is a deficient number, since it is larger than the sum of its proper divisors (2214424647044).

2680513218172 is a wasteful number, since it uses less digits than its factorization.

2680513218172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521697 (or 521695 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 2680513218172 in words is "two trillion, six hundred eighty billion, five hundred thirteen million, two hundred eighteen thousand, one hundred seventy-two".