163545077 has 2 divisors, whose sum is σ = 163545078. Its totient is φ = 163545076.

The previous prime is 163545061. The next prime is 163545079. The reversal of 163545077 is 770545361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149475076 + 14070001 = 12226^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 163545077 - 2⁴ = 163545061 is a prime.

Together with 163545079, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163545077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163545079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81772538 + 81772539.

It is an arithmetic number, because the mean of its divisors is an integer number (81772539).

Almost surely, 2^163545077 is an apocalyptic number.

It is an amenable number.

163545077 is a deficient number, since it is larger than the sum of its proper divisors (1).

163545077 is an equidigital number, since it uses as much as digits as its factorization.

163545077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 163545077 is about 12788.4743812544. The cubic root of 163545077 is about 546.8637781077.

The spelling of 163545077 in words is "one hundred sixty-three million, five hundred forty-five thousand, seventy-seven".