22164600646147 has 2 divisors, whose sum is σ = 22164600646148. Its totient is φ = 22164600646146.

The previous prime is 22164600646121. The next prime is 22164600646163. The reversal of 22164600646147 is 74164600646122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22164600646147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22164600646147.

It is not a weakly prime, because it can be changed into another prime (22164400646147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11082300323073 + 11082300323074.

It is an arithmetic number, because the mean of its divisors is an integer number (11082300323074).

Almost surely, 2^{22164600646147} is an apocalyptic number.

22164600646147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22164600646147 is an equidigital number, since it uses as much as digits as its factorization.

22164600646147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 22164600646147 in words is "twenty-two trillion, one hundred sixty-four billion, six hundred million, six hundred forty-six thousand, one hundred forty-seven".