63785161 has 8 divisors (see below), whose sum is σ = 70235424. Its totient is φ = 57443520.

The previous prime is 63785101. The next prime is 63785171. The reversal of 63785161 is 16158736.

63785161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 3261-st star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63785161 - 2⁹ = 63784649 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 63785161.

It is not an unprimeable number, because it can be changed into a prime (63785101) 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 7 ways as a sum of consecutive naturals, for example, 25920 + ... + 28273.

It is an arithmetic number, because the mean of its divisors is an integer number (8779428).

Almost surely, 2^63785161 is an apocalyptic number.

It is an amenable number.

63785161 is a deficient number, since it is larger than the sum of its proper divisors (6450263).

63785161 is a wasteful number, since it uses less digits than its factorization.

63785161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54311.

The product of its digits is 30240, while the sum is 37.

The square root of 63785161 is about 7986.5612750420. The cubic root of 63785161 is about 399.5519169915.

The spelling of 63785161 in words is "sixty-three million, seven hundred eighty-five thousand, one hundred sixty-one".