650663026 has 16 divisors (see below), whose sum is σ = 1056414744. Its totient is φ = 298779264.

The previous prime is 650663011. The next prime is 650663047. The reversal of 650663026 is 620366056.

It can be written as a sum of positive squares in 4 ways, for example, as 645210801 + 5452225 = 25401^2 + 2335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650662982 and 650663000.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58395 + ... + 68638.

Almost surely, 2^650663026 is an apocalyptic number.

650663026 is a deficient number, since it is larger than the sum of its proper divisors (405751718).

650663026 is a wasteful number, since it uses less digits than its factorization.

650663026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127245.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 650663026 is about 25508.0972634181. The cubic root of 650663026 is about 866.5335380982.

The spelling of 650663026 in words is "six hundred fifty million, six hundred sixty-three thousand, twenty-six".