163287347 has 4 divisors (see below), whose sum is σ = 163389336. Its totient is φ = 163185360.

The previous prime is 163287337. The next prime is 163287359. The reversal of 163287347 is 743782361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163287347 - 2⁶ = 163287283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163287307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48554 + ... + 51807.

It is an arithmetic number, because the mean of its divisors is an integer number (40847334).

Almost surely, 2^163287347 is an apocalyptic number.

163287347 is a deficient number, since it is larger than the sum of its proper divisors (101989).

163287347 is a wasteful number, since it uses less digits than its factorization.

163287347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101988.

The product of its digits is 169344, while the sum is 41.

The square root of 163287347 is about 12778.3937566503. The cubic root of 163287347 is about 546.5763602975.

The spelling of 163287347 in words is "one hundred sixty-three million, two hundred eighty-seven thousand, three hundred forty-seven".