163442780411 has 2 divisors, whose sum is σ = 163442780412. Its totient is φ = 163442780410.

The previous prime is 163442780407. The next prime is 163442780437. The reversal of 163442780411 is 114087244361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163442780411 - 2² = 163442780407 is a prime.

It is not a weakly prime, because it can be changed into another prime (163442780401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81721390205 + 81721390206.

It is an arithmetic number, because the mean of its divisors is an integer number (81721390206).

Almost surely, 2^163442780411 is an apocalyptic number.

163442780411 is a deficient number, since it is larger than the sum of its proper divisors (1).

163442780411 is an equidigital number, since it uses as much as digits as its factorization.

163442780411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 163442780411 in words is "one hundred sixty-three billion, four hundred forty-two million, seven hundred eighty thousand, four hundred eleven".