2196866662797 has 32 divisors (see below), whose sum is σ = 2992865126400. Its totient is φ = 1432963865088.

The previous prime is 2196866662789. The next prime is 2196866662841. The reversal of 2196866662797 is 7972666686912.

It is not a de Polignac number, because 2196866662797 - 2³ = 2196866662789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196866662747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85312278 + ... + 85338024.

It is an arithmetic number, because the mean of its divisors is an integer number (93527035200).

Almost surely, 2^{2196866662797} is an apocalyptic number.

It is an amenable number.

2196866662797 is a deficient number, since it is larger than the sum of its proper divisors (795998463603).

2196866662797 is a wasteful number, since it uses less digits than its factorization.

2196866662797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28065.

The product of its digits is 987614208, while the sum is 75.

The spelling of 2196866662797 in words is "two trillion, one hundred ninety-six billion, eight hundred sixty-six million, six hundred sixty-two thousand, seven hundred ninety-seven".