1648365226 has 16 divisors (see below), whose sum is σ = 2518947648. Its totient is φ = 808848000.

The previous prime is 1648365217. The next prime is 1648365227. The reversal of 1648365226 is 6225638461.

It is not an unprimeable number, because it can be changed into a prime (1648365227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815 + ... + 57946.

It is an arithmetic number, because the mean of its divisors is an integer number (157434228).

Almost surely, 2^1648365226 is an apocalyptic number.

1648365226 is a deficient number, since it is larger than the sum of its proper divisors (870582422).

1648365226 is a wasteful number, since it uses less digits than its factorization.

1648365226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65997.

The product of its digits is 414720, while the sum is 43.

The square root of 1648365226 is about 40600.0643595549. The cubic root of 1648365226 is about 1181.2753676849.

The spelling of 1648365226 in words is "one billion, six hundred forty-eight million, three hundred sixty-five thousand, two hundred twenty-six".