163213849 has 8 divisors (see below), whose sum is σ = 165166848. Its totient is φ = 161266560.

The previous prime is 163213837. The next prime is 163213859. The reversal of 163213849 is 948312361.

163213849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163213849 - 2¹³ = 163205657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163213859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87444 + ... + 89290.

It is an arithmetic number, because the mean of its divisors is an integer number (20645856).

Almost surely, 2^163213849 is an apocalyptic number.

It is an amenable number.

163213849 is a deficient number, since it is larger than the sum of its proper divisors (1952999).

163213849 is an equidigital number, since it uses as much as digits as its factorization.

163213849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its digits is 31104, while the sum is 37.

The square root of 163213849 is about 12775.5175629013. The cubic root of 163213849 is about 546.4943406780.

The spelling of 163213849 in words is "one hundred sixty-three million, two hundred thirteen thousand, eight hundred forty-nine".