163147212 has 18 divisors (see below), whose sum is σ = 412399988. Its totient is φ = 54382392.

The previous prime is 163147169. The next prime is 163147217. The reversal of 163147212 is 212741361.

163147212 is a `hidden beast` number, since 1 + 631 + 4 + 7 + 21 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (163147217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265898 + ... + 2265969.

Almost surely, 2^163147212 is an apocalyptic number.

163147212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163147212 is an abundant number, since it is smaller than the sum of its proper divisors (249252776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163147212 is a wasteful number, since it uses less digits than its factorization.

163147212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531877 (or 4531872 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 163147212 is about 12772.9093005470. The cubic root of 163147212 is about 546.4199562619.

Adding to 163147212 its reverse (212741361), we get a palindrome (375888573).

The spelling of 163147212 in words is "one hundred sixty-three million, one hundred forty-seven thousand, two hundred twelve".