163536773 has 2 divisors, whose sum is σ = 163536774. Its totient is φ = 163536772.

The previous prime is 163536761. The next prime is 163536799. The reversal of 163536773 is 377635361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 6235009 = 12542^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 163536773 - 2⁸ = 163536517 is a prime.

It is a super-2 number, since 2×163536773² = 53488552246507058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163536773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163536973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81768386 + 81768387.

It is an arithmetic number, because the mean of its divisors is an integer number (81768387).

Almost surely, 2^163536773 is an apocalyptic number.

It is an amenable number.

163536773 is a deficient number, since it is larger than the sum of its proper divisors (1).

163536773 is an equidigital number, since it uses as much as digits as its factorization.

163536773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 41.

The square root of 163536773 is about 12788.1497097899. The cubic root of 163536773 is about 546.8545222830.

The spelling of 163536773 in words is "one hundred sixty-three million, five hundred thirty-six thousand, seven hundred seventy-three".