2196856591746 has 16 divisors (see below), whose sum is σ = 4652166900384. Its totient is φ = 689209911104.

The previous prime is 2196856591711. The next prime is 2196856591751. The reversal of 2196856591746 is 6471956586912.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10768904760 + ... + 10768904963.

It is an arithmetic number, because the mean of its divisors is an integer number (290760431274).

Almost surely, 2^{2196856591746} is an apocalyptic number.

2196856591746 is an abundant number, since it is smaller than the sum of its proper divisors (2455310308638).

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

2196856591746 is a wasteful number, since it uses less digits than its factorization.

2196856591746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21537809745.

The product of its digits is 195955200, while the sum is 69.

The spelling of 2196856591746 in words is "two trillion, one hundred ninety-six billion, eight hundred fifty-six million, five hundred ninety-one thousand, seven hundred forty-six".