163028907 has 24 divisors (see below), whose sum is σ = 244608000. Its totient is φ = 104520240.

The previous prime is 163028897. The next prime is 163028909. The reversal of 163028907 is 709820361.

It is not a de Polignac number, because 163028907 - 2⁷ = 163028779 is a prime.

It is a super-2 number, since 2×163028907² = 53156849035229298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163028909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44844 + ... + 48342.

It is an arithmetic number, because the mean of its divisors is an integer number (10192000).

Almost surely, 2^163028907 is an apocalyptic number.

163028907 is a deficient number, since it is larger than the sum of its proper divisors (81579093).

163028907 is a wasteful number, since it uses less digits than its factorization.

163028907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 163028907 is about 12768.2773701075. The cubic root of 163028907 is about 546.2878468542.

The spelling of 163028907 in words is "one hundred sixty-three million, twenty-eight thousand, nine hundred seven".