163744021151 has 2 divisors, whose sum is σ = 163744021152. Its totient is φ = 163744021150.

The previous prime is 163744021117. The next prime is 163744021157. The reversal of 163744021151 is 151120447361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163744021151 - 2¹⁰ = 163744020127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163744021157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81872010575 + 81872010576.

It is an arithmetic number, because the mean of its divisors is an integer number (81872010576).

Almost surely, 2^163744021151 is an apocalyptic number.

163744021151 is a deficient number, since it is larger than the sum of its proper divisors (1).

163744021151 is an equidigital number, since it uses as much as digits as its factorization.

163744021151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 163744021151 in words is "one hundred sixty-three billion, seven hundred forty-four million, twenty-one thousand, one hundred fifty-one".