1648056783 has 16 divisors (see below), whose sum is σ = 2259433440. Its totient is φ = 1068073344.

The previous prime is 1648056779. The next prime is 1648056793. The reversal of 1648056783 is 3876508461.

It is not a de Polignac number, because 1648056783 - 2² = 1648056779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648056763) 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, 30216 + ... + 64877.

It is an arithmetic number, because the mean of its divisors is an integer number (141214590).

Almost surely, 2^1648056783 is an apocalyptic number.

1648056783 is a deficient number, since it is larger than the sum of its proper divisors (611376657).

1648056783 is a wasteful number, since it uses less digits than its factorization.

1648056783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95258.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1648056783 is about 40596.2656287496. The cubic root of 1648056783 is about 1181.2016827917.

The spelling of 1648056783 in words is "one billion, six hundred forty-eight million, fifty-six thousand, seven hundred eighty-three".