163306040 has 16 divisors (see below), whose sum is σ = 367438680. Its totient is φ = 65322400.

The previous prime is 163306027. The next prime is 163306043. The reversal of 163306040 is 40603361.

It is a junction number, because it is equal to n+sod(n) for n = 163305997 and 163306015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163306043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041286 + ... + 2041365.

Almost surely, 2^163306040 is an apocalyptic number.

163306040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163306040 is an abundant number, since it is smaller than the sum of its proper divisors (204132640).

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

163306040 is a wasteful number, since it uses less digits than its factorization.

163306040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082662 (or 4082658 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 163306040 is about 12779.1251656755. The cubic root of 163306040 is about 546.5972167044.

The spelling of 163306040 in words is "one hundred sixty-three million, three hundred six thousand, forty".