163291162466 has 8 divisors (see below), whose sum is σ = 259344787500. Its totient is φ = 76842899968.

The previous prime is 163291162453. The next prime is 163291162481. The reversal of 163291162466 is 664261192361.

It can be written as a sum of positive squares in 2 ways, for example, as 163252362025 + 38800441 = 404045^2 + 6229^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 163291162466.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2401340591 + ... + 2401340658.

Almost surely, 2^163291162466 is an apocalyptic number.

163291162466 is a deficient number, since it is larger than the sum of its proper divisors (96053625034).

163291162466 is a wasteful number, since it uses less digits than its factorization.

163291162466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802681268.

The product of its digits is 559872, while the sum is 47.

The spelling of 163291162466 in words is "one hundred sixty-three billion, two hundred ninety-one million, one hundred sixty-two thousand, four hundred sixty-six".