163005660104311 has 2 divisors, whose sum is σ = 163005660104312. Its totient is φ = 163005660104310.

The previous prime is 163005660104299. The next prime is 163005660104321. The reversal of 163005660104311 is 113401066500361.

163005660104311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163005660104311 is a prime.

It is a super-2 number, since 2×163005660104311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163005660104321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81502830052155 + 81502830052156.

It is an arithmetic number, because the mean of its divisors is an integer number (81502830052156).

Almost surely, 2^{163005660104311} is an apocalyptic number.

163005660104311 is a deficient number, since it is larger than the sum of its proper divisors (1).

163005660104311 is an equidigital number, since it uses as much as digits as its factorization.

163005660104311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 163005660104311 in words is "one hundred sixty-three trillion, five billion, six hundred sixty million, one hundred four thousand, three hundred eleven".