2196398790612 has 360 divisors, whose sum is σ = 6721711365600. Its totient is φ = 622930943232.

The previous prime is 2196398790587. The next prime is 2196398790647. The reversal of 2196398790612 is 2160978936912.

2196398790612 is a `hidden beast` number, since 2 + 1 + 9 + 6 + 3 + 9 + 8 + 7 + 9 + 0 + 612 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2196398790612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 38464939 + ... + 38521997.

It is an arithmetic number, because the mean of its divisors is an integer number (18671420460).

Almost surely, 2^{2196398790612} 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 2196398790612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360855682800).

2196398790612 is an abundant number, since it is smaller than the sum of its proper divisors (4525312574988).

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

2196398790612 is a wasteful number, since it uses less digits than its factorization.

2196398790612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57157 (or 57133 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 2196398790612 in words is "two trillion, one hundred ninety-six billion, three hundred ninety-eight million, seven hundred ninety thousand, six hundred twelve".