1648110946 has 4 divisors (see below), whose sum is σ = 2472166422. Its totient is φ = 824055472.

The previous prime is 1648110911. The next prime is 1648110953. The reversal of 1648110946 is 6490118461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1464210225 + 183900721 = 38265^2 + 13561^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1648110899 and 1648110908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412027735 + ... + 412027738.

Almost surely, 2^1648110946 is an apocalyptic number.

1648110946 is a deficient number, since it is larger than the sum of its proper divisors (824055476).

1648110946 is an equidigital number, since it uses as much as digits as its factorization.

1648110946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824055475.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1648110946 is about 40596.9327166474. The cubic root of 1648110946 is about 1181.2146226222.

The spelling of 1648110946 in words is "one billion, six hundred forty-eight million, one hundred ten thousand, nine hundred forty-six".