1648360837805 has 16 divisors (see below), whose sum is σ = 2161158758784. Its totient is φ = 1196972009280.

The previous prime is 1648360837741. The next prime is 1648360837807. The reversal of 1648360837805 is 5087380638461.

It is not a de Polignac number, because 1648360837805 - 2⁶ = 1648360837741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648360837807) 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, 22912169 + ... + 22983998.

It is an arithmetic number, because the mean of its divisors is an integer number (135072422424).

Almost surely, 2^{1648360837805} is an apocalyptic number.

It is an amenable number.

1648360837805 is a deficient number, since it is larger than the sum of its proper divisors (512797920979).

1648360837805 is a wasteful number, since it uses less digits than its factorization.

1648360837805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45896836.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 1648360837805 in words is "one trillion, six hundred forty-eight billion, three hundred sixty million, eight hundred thirty-seven thousand, eight hundred five".