163366040 has 32 divisors (see below), whose sum is σ = 367947360. Its totient is φ = 65280000.

The previous prime is 163366037. The next prime is 163366057. The reversal of 163366040 is 40663361.

It is a junction number, because it is equal to n+sod(n) for n = 163365994 and 163366012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62765 + ... + 65315.

It is an arithmetic number, because the mean of its divisors is an integer number (11498355).

Almost surely, 2^163366040 is an apocalyptic number.

163366040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163366040 is an abundant number, since it is smaller than the sum of its proper divisors (204581320).

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

163366040 is a wasteful number, since it uses less digits than its factorization.

163366040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 163366040 is about 12781.4725286252. The cubic root of 163366040 is about 546.6641499653.

The spelling of 163366040 in words is "one hundred sixty-three million, three hundred sixty-six thousand, forty".