163040073 has 16 divisors (see below), whose sum is σ = 250767360. Its totient is φ = 92293776.

The previous prime is 163040063. The next prime is 163040089. The reversal of 163040073 is 370040361.

It is not a de Polignac number, because 163040073 - 2⁴ = 163040057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163040063) 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, 34033 + ... + 38526.

It is an arithmetic number, because the mean of its divisors is an integer number (15672960).

Almost surely, 2^163040073 is an apocalyptic number.

It is an amenable number.

163040073 is a deficient number, since it is larger than the sum of its proper divisors (87727287).

163040073 is a wasteful number, since it uses less digits than its factorization.

163040073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72676.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 163040073 is about 12768.7146181595. The cubic root of 163040073 is about 546.3003184887.

The spelling of 163040073 in words is "one hundred sixty-three million, forty thousand, seventy-three".