163400012 has 24 divisors (see below), whose sum is σ = 292723200. Its totient is φ = 79773200.

The previous prime is 163400011. The next prime is 163400051. The reversal of 163400012 is 210004361.

163400012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163400011) 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, 111887 + ... + 113337.

It is an arithmetic number, because the mean of its divisors is an integer number (12196800).

Almost surely, 2^163400012 is an apocalyptic number.

It is an amenable number.

163400012 is a deficient number, since it is larger than the sum of its proper divisors (129323188).

163400012 is a wasteful number, since it uses less digits than its factorization.

163400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 163400012 is about 12782.8014144005. The cubic root of 163400012 is about 546.7020403113.

Adding to 163400012 its reverse (210004361), we get a palindrome (373404373).

The spelling of 163400012 in words is "one hundred sixty-three million, four hundred thousand, twelve".