1648361705 has 16 divisors (see below), whose sum is σ = 1989947520. Its totient is φ = 1310771328.

The previous prime is 1648361651. The next prime is 1648361707. The reversal of 1648361705 is 5071638461.

It is a cyclic number.

It is not a de Polignac number, because 1648361705 - 2⁶ = 1648361641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1648361707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747134 + ... + 749336.

It is an arithmetic number, because the mean of its divisors is an integer number (124371720).

Almost surely, 2^1648361705 is an apocalyptic number.

It is an amenable number.

1648361705 is a deficient number, since it is larger than the sum of its proper divisors (341585815).

1648361705 is a wasteful number, since it uses less digits than its factorization.

1648361705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1648361705 is about 40600.0209975315. The cubic root of 1648361705 is about 1181.2745265943.

The spelling of 1648361705 in words is "one billion, six hundred forty-eight million, three hundred sixty-one thousand, seven hundred five".