1648937007 has 24 divisors (see below), whose sum is σ = 2516636304. Its totient is φ = 1078541568.

The previous prime is 1648936987. The next prime is 1648937023. The reversal of 1648937007 is 7007398461.

It is not a de Polignac number, because 1648937007 - 2²² = 1644742703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648937077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51138 + ... + 76895.

It is an arithmetic number, because the mean of its divisors is an integer number (104859846).

Almost surely, 2^1648937007 is an apocalyptic number.

1648937007 is a deficient number, since it is larger than the sum of its proper divisors (867699297).

1648937007 is an equidigital number, since it uses as much as digits as its factorization.

1648937007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128101 (or 128089 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1648937007 is about 40607.1053757837. The cubic root of 1648937007 is about 1181.4119378896.

The spelling of 1648937007 in words is "one billion, six hundred forty-eight million, nine hundred thirty-seven thousand, seven".