163725077 has 4 divisors (see below), whose sum is σ = 166031136. Its totient is φ = 161419020.

The previous prime is 163725049. The next prime is 163725083. The reversal of 163725077 is 770527361.

163725077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163725077 - 2¹² = 163720981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163725077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163725377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152923 + ... + 1153064.

It is an arithmetic number, because the mean of its divisors is an integer number (41507784).

Almost surely, 2^163725077 is an apocalyptic number.

It is an amenable number.

163725077 is a deficient number, since it is larger than the sum of its proper divisors (2306059).

163725077 is an equidigital number, since it uses as much as digits as its factorization.

163725077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306058.

The product of its (nonzero) digits is 61740, while the sum is 38.

The square root of 163725077 is about 12795.5100328201. The cubic root of 163725077 is about 547.0643331897.

The spelling of 163725077 in words is "one hundred sixty-three million, seven hundred twenty-five thousand, seventy-seven".