163032733 has 2 divisors, whose sum is σ = 163032734. Its totient is φ = 163032732.

The previous prime is 163032721. The next prime is 163032743. The reversal of 163032733 is 337230361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 48692484 = 10693^2 + 6978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163032733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163032743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81516366 + 81516367.

It is an arithmetic number, because the mean of its divisors is an integer number (81516367).

Almost surely, 2^163032733 is an apocalyptic number.

It is an amenable number.

163032733 is a deficient number, since it is larger than the sum of its proper divisors (1).

163032733 is an equidigital number, since it uses as much as digits as its factorization.

163032733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 28.

The square root of 163032733 is about 12768.4271936680. The cubic root of 163032733 is about 546.2921202905.

The spelling of 163032733 in words is "one hundred sixty-three million, thirty-two thousand, seven hundred thirty-three".