163629960 has 64 divisors (see below), whose sum is σ = 528655680. Its totient is φ = 40277760.

The previous prime is 163629959. The next prime is 163629967. The reversal of 163629960 is 69926361.

It is not an unprimeable number, because it can be changed into a prime (163629967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50886 + ... + 54005.

It is an arithmetic number, because the mean of its divisors is an integer number (8260245).

Almost surely, 2^163629960 is an apocalyptic number.

163629960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163629960 is an abundant number, since it is smaller than the sum of its proper divisors (365025720).

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

163629960 is a wasteful number, since it uses less digits than its factorization.

163629960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104918 (or 104914 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 163629960 is about 12791.7926812468. The cubic root of 163629960 is about 546.9583726386.

The spelling of 163629960 in words is "one hundred sixty-three million, six hundred twenty-nine thousand, nine hundred sixty".