2196660420794 has 96 divisors (see below), whose sum is σ = 4162645831680. Its totient is φ = 864811987200.

The previous prime is 2196660420781. The next prime is 2196660420803. The reversal of 2196660420794 is 4970240666912.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4370327 + ... + 4846965.

It is an arithmetic number, because the mean of its divisors is an integer number (43360894080).

Almost surely, 2^{2196660420794} is an apocalyptic number.

2196660420794 is a deficient number, since it is larger than the sum of its proper divisors (1965985410886).

2196660420794 is a wasteful number, since it uses less digits than its factorization.

2196660420794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476764 (or 476757 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 2196660420794 in words is "two trillion, one hundred ninety-six billion, six hundred sixty million, four hundred twenty thousand, seven hundred ninety-four".