2190723918216 has 64 divisors (see below), whose sum is σ = 5570670775680. Its totient is φ = 717744046080.

The previous prime is 2190723918209. The next prime is 2190723918217. The reversal of 2190723918216 is 6128193270912.

It is not an unprimeable number, because it can be changed into a prime (2190723918217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453960 + ... + 2548616.

It is an arithmetic number, because the mean of its divisors is an integer number (87041730870).

Almost surely, 2^{2190723918216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190723918216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785335387840).

2190723918216 is an abundant number, since it is smaller than the sum of its proper divisors (3379946857464).

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

2190723918216 is a wasteful number, since it uses less digits than its factorization.

2190723918216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096094 (or 1096090 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 2190723918216 in words is "two trillion, one hundred ninety billion, seven hundred twenty-three million, nine hundred eighteen thousand, two hundred sixteen".