163347901 has 4 divisors (see below), whose sum is σ = 165316032. Its totient is φ = 161379772.

The previous prime is 163347893. The next prime is 163347907. The reversal of 163347901 is 109743361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163347901 - 2³ = 163347893 is a prime.

It is a super-2 number, since 2×163347901² = 53365073522211602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163347907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983941 + ... + 984106.

It is an arithmetic number, because the mean of its divisors is an integer number (41329008).

Almost surely, 2^163347901 is an apocalyptic number.

It is an amenable number.

163347901 is a deficient number, since it is larger than the sum of its proper divisors (1968131).

163347901 is an equidigital number, since it uses as much as digits as its factorization.

163347901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968130.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 163347901 is about 12780.7629271495. The cubic root of 163347901 is about 546.6439166536.

The spelling of 163347901 in words is "one hundred sixty-three million, three hundred forty-seven thousand, nine hundred one".