2196672697856 has 160 divisors (see below), whose sum is σ = 5440792600320. Its totient is φ = 862758936576.

The previous prime is 2196672697853. The next prime is 2196672697859. The reversal of 2196672697856 is 6587962766912.

It is an interprime number because it is at equal distance from previous prime (2196672697853) and next prime (2196672697859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196672697853) 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, 6306695 + ... + 6645881.

It is an arithmetic number, because the mean of its divisors is an integer number (34004953752).

Almost surely, 2^{2196672697856} is an apocalyptic number.

2196672697856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196672697856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2720396300160).

2196672697856 is an abundant number, since it is smaller than the sum of its proper divisors (3244119902464).

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

2196672697856 is a wasteful number, since it uses less digits than its factorization.

2196672697856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339364 (or 339348 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 74.

The spelling of 2196672697856 in words is "two trillion, one hundred ninety-six billion, six hundred seventy-two million, six hundred ninety-seven thousand, eight hundred fifty-six".