163242771 has 16 divisors (see below), whose sum is σ = 226631328. Its totient is φ = 104428800.

The previous prime is 163242757. The next prime is 163242773. The reversal of 163242771 is 177242361.

It is not a de Polignac number, because 163242771 - 2¹⁰ = 163241747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163242773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3376 + ... + 18381.

It is an arithmetic number, because the mean of its divisors is an integer number (14164458).

Almost surely, 2^163242771 is an apocalyptic number.

163242771 is a deficient number, since it is larger than the sum of its proper divisors (63388557).

163242771 is a wasteful number, since it uses less digits than its factorization.

163242771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21862.

The product of its digits is 14112, while the sum is 33.

The square root of 163242771 is about 12776.6494434183. The cubic root of 163242771 is about 546.5266189353.

The spelling of 163242771 in words is "one hundred sixty-three million, two hundred forty-two thousand, seven hundred seventy-one".