163366073 has 16 divisors (see below), whose sum is σ = 190624896. Its totient is φ = 138620160.

The previous prime is 163366057. The next prime is 163366097. The reversal of 163366073 is 370663361.

It is a cyclic number.

It is not a de Polignac number, because 163366073 - 2⁴ = 163366057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163366003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 908 + ... + 18098.

It is an arithmetic number, because the mean of its divisors is an integer number (11914056).

Almost surely, 2^163366073 is an apocalyptic number.

163366073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

163366073 is a deficient number, since it is larger than the sum of its proper divisors (27258823).

163366073 is a wasteful number, since it uses less digits than its factorization.

163366073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17264.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 163366073 is about 12781.4738195562. The cubic root of 163366073 is about 546.6641867741.

The spelling of 163366073 in words is "one hundred sixty-three million, three hundred sixty-six thousand, seventy-three".