163040234 has 32 divisors (see below), whose sum is σ = 296784000. Its totient is φ = 65576448.

The previous prime is 163040221. The next prime is 163040237. The reversal of 163040234 is 432040361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163040237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108017 + ... + 109515.

It is an arithmetic number, because the mean of its divisors is an integer number (9274500).

Almost surely, 2^163040234 is an apocalyptic number.

163040234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163040234 is a deficient number, since it is larger than the sum of its proper divisors (133743766).

163040234 is a wasteful number, since it uses less digits than its factorization.

163040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 163040234 is about 12768.7209226296. The cubic root of 163040234 is about 546.3004983102.

Adding to 163040234 its reverse (432040361), we get a palindrome (595080595).

The spelling of 163040234 in words is "one hundred sixty-three million, forty thousand, two hundred thirty-four".