163523116 has 6 divisors (see below), whose sum is σ = 286165460. Its totient is φ = 81761556.

The previous prime is 163523111. The next prime is 163523117. The reversal of 163523116 is 611325361.

It is not an unprimeable number, because it can be changed into a prime (163523111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20440386 + ... + 20440393.

Almost surely, 2^163523116 is an apocalyptic number.

It is an amenable number.

163523116 is a deficient number, since it is larger than the sum of its proper divisors (122642344).

163523116 is a wasteful number, since it uses less digits than its factorization.

163523116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40880783 (or 40880781 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 163523116 is about 12787.6157277266. The cubic root of 163523116 is about 546.8392992031.

Adding to 163523116 its reverse (611325361), we get a palindrome (774848477).

The spelling of 163523116 in words is "one hundred sixty-three million, five hundred twenty-three thousand, one hundred sixteen".