1648263159 has 12 divisors (see below), whose sum is σ = 2382576456. Its totient is φ = 1098033552.

The previous prime is 1648263151. The next prime is 1648263187. The reversal of 1648263159 is 9513628461.

1648263159 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 2 + 631 + 5 + 9 = 666.

It is not a de Polignac number, because 1648263159 - 2³ = 1648263151 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648263151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54337 + ... + 79050.

It is an arithmetic number, because the mean of its divisors is an integer number (198548038).

Almost surely, 2^1648263159 is an apocalyptic number.

1648263159 is a deficient number, since it is larger than the sum of its proper divisors (734313297).

1648263159 is a wasteful number, since it uses less digits than its factorization.

1648263159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134766 (or 134763 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1648263159 is about 40598.8073593302. The cubic root of 1648263159 is about 1181.2509856043.

The spelling of 1648263159 in words is "one billion, six hundred forty-eight million, two hundred sixty-three thousand, one hundred fifty-nine".