163064425 has 12 divisors (see below), whose sum is σ = 214094556. Its totient is φ = 122777600.

The previous prime is 163064423. The next prime is 163064431. The reversal of 163064425 is 524460361.

It can be written as a sum of positive squares in 6 ways, for example, as 13638249 + 149426176 = 3693^2 + 12224^2 .

It is not a de Polignac number, because 163064425 - 2¹ = 163064423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163064423) 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 11 ways as a sum of consecutive naturals, for example, 191416 + ... + 192265.

It is an arithmetic number, because the mean of its divisors is an integer number (17841213).

Almost surely, 2^163064425 is an apocalyptic number.

It is an amenable number.

163064425 is a deficient number, since it is larger than the sum of its proper divisors (51030131).

163064425 is a wasteful number, since it uses less digits than its factorization.

163064425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383708 (or 383703 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 163064425 is about 12769.6681632688. The cubic root of 163064425 is about 546.3275159803.

The spelling of 163064425 in words is "one hundred sixty-three million, sixty-four thousand, four hundred twenty-five".