163067897 has 8 divisors (see below), whose sum is σ = 164555976. Its totient is φ = 161586432.

The previous prime is 163067881. The next prime is 163067903. The reversal of 163067897 is 798760361.

It can be written as a sum of positive squares in 4 ways, for example, as 57820816 + 105247081 = 7604^2 + 10259^2 .

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 163067897 - 2⁴ = 163067881 is a prime.

It is a super-2 number, since 2×163067897² = 53182278064005218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163067837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56903 + ... + 59699.

It is an arithmetic number, because the mean of its divisors is an integer number (20569497).

Almost surely, 2^163067897 is an apocalyptic number.

It is an amenable number.

163067897 is a deficient number, since it is larger than the sum of its proper divisors (1488079).

163067897 is a wasteful number, since it uses less digits than its factorization.

163067897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 163067897 is about 12769.8041096957. The cubic root of 163067897 is about 546.3313934573.

The spelling of 163067897 in words is "one hundred sixty-three million, sixty-seven thousand, eight hundred ninety-seven".