163332653 has 4 divisors (see below), whose sum is σ = 178181088. Its totient is φ = 148484220.

The previous prime is 163332641. The next prime is 163332671. The reversal of 163332653 is 356233361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163332653 - 2²⁰ = 162284077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163332613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7424201 + ... + 7424222.

It is an arithmetic number, because the mean of its divisors is an integer number (44545272).

Almost surely, 2^163332653 is an apocalyptic number.

It is an amenable number.

163332653 is a deficient number, since it is larger than the sum of its proper divisors (14848435).

163332653 is a wasteful number, since it uses less digits than its factorization.

163332653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848434.

The product of its digits is 29160, while the sum is 32.

The square root of 163332653 is about 12780.1663917181. The cubic root of 163332653 is about 546.6269069751.

The spelling of 163332653 in words is "one hundred sixty-three million, three hundred thirty-two thousand, six hundred fifty-three".