63161147 has 6 divisors (see below), whose sum is σ = 73473228. Its totient is φ = 54138084.

The previous prime is 63161143. The next prime is 63161201. The reversal of 63161147 is 74116136.

It is not a de Polignac number, because 63161147 - 2² = 63161143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63161143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644453 + ... + 644550.

It is an arithmetic number, because the mean of its divisors is an integer number (12245538).

Almost surely, 2^63161147 is an apocalyptic number.

63161147 is a deficient number, since it is larger than the sum of its proper divisors (10312081).

63161147 is a wasteful number, since it uses less digits than its factorization.

63161147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289017 (or 1289010 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 63161147 is about 7947.3987568260. The cubic root of 63161147 is about 398.2446981389.

The spelling of 63161147 in words is "sixty-three million, one hundred sixty-one thousand, one hundred forty-seven".