163005643154149 has 2 divisors, whose sum is σ = 163005643154150. Its totient is φ = 163005643154148.

The previous prime is 163005643154063. The next prime is 163005643154173. The reversal of 163005643154149 is 941451346500361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147834423403524 + 15171219750625 = 12158718^2 + 3895025^2 .

It is a cyclic number.

It is not a de Polignac number, because 163005643154149 - 2⁹ = 163005643153637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163005643154096 and 163005643154105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163002643154149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81502821577074 + 81502821577075.

It is an arithmetic number, because the mean of its divisors is an integer number (81502821577075).

Almost surely, 2^{163005643154149} is an apocalyptic number.

It is an amenable number.

163005643154149 is a deficient number, since it is larger than the sum of its proper divisors (1).

163005643154149 is an equidigital number, since it uses as much as digits as its factorization.

163005643154149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 163005643154149 in words is "one hundred sixty-three trillion, five billion, six hundred forty-three million, one hundred fifty-four thousand, one hundred forty-nine".