2167680867612 has 48 divisors (see below), whose sum is σ = 5683818739200. Its totient is φ = 637979652288.

The previous prime is 2167680867601. The next prime is 2167680867613.

2167680867612 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2167680867612² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167680867613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302070112 + ... + 302077287.

It is an arithmetic number, because the mean of its divisors is an integer number (118412890400).

Almost surely, 2^{2167680867612} is an apocalyptic number.

It is an amenable number.

2167680867612 is an abundant number, since it is smaller than the sum of its proper divisors (3516137871588).

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

2167680867612 is a wasteful number, since it uses less digits than its factorization.

2167680867612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604147442 (or 604147440 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 2167680867612 in words is "two trillion, one hundred sixty-seven billion, six hundred eighty million, eight hundred sixty-seven thousand, six hundred twelve".