163264395 has 16 divisors (see below), whose sum is σ = 298540800. Its totient is φ = 74635104.

The previous prime is 163264393. The next prime is 163264399. The reversal of 163264395 is 593462361.

It is not a de Polignac number, because 163264395 - 2¹ = 163264393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163264393) 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 15 ways as a sum of consecutive naturals, for example, 777345 + ... + 777554.

It is an arithmetic number, because the mean of its divisors is an integer number (18658800).

Almost surely, 2^163264395 is an apocalyptic number.

163264395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

163264395 is a deficient number, since it is larger than the sum of its proper divisors (135276405).

163264395 is a wasteful number, since it uses less digits than its factorization.

163264395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554914.

The product of its digits is 116640, while the sum is 39.

The square root of 163264395 is about 12777.4956466438. The cubic root of 163264395 is about 546.5507498044.

The spelling of 163264395 in words is "one hundred sixty-three million, two hundred sixty-four thousand, three hundred ninety-five".