163211402 has 8 divisors (see below), whose sum is σ = 250510656. Its totient is φ = 79707852.

The previous prime is 163211371. The next prime is 163211413. The reversal of 163211402 is 204112361.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948818 + ... + 948989.

It is an arithmetic number, because the mean of its divisors is an integer number (31313832).

Almost surely, 2^163211402 is an apocalyptic number.

163211402 is a deficient number, since it is larger than the sum of its proper divisors (87299254).

163211402 is a wasteful number, since it uses less digits than its factorization.

163211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897852.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 163211402 is about 12775.4217934282. The cubic root of 163211402 is about 546.4916095406.

Adding to 163211402 its reverse (204112361), we get a palindrome (367323763).

The spelling of 163211402 in words is "one hundred sixty-three million, two hundred eleven thousand, four hundred two".